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(UPDATED) FAKE/USED SEAGATE IRONWOLF HDDs NOW REPORTED – HOW TO CHECK YOUR DRIVES

‘Used Seagate EXOS HDDs Missold as ‘New – Other Drives Implicated

Now would be a very good time to check any hard drives you’ve purchased in the last 12 to 24 months! Recent reports from popular German news outlet Heise have raised increased reports of refurbished and modified SMART-reported drives being sold as brand new, leading to large concerns of widespread ex-cryptocurrency-burnt drives being sold through trusted business and domestic retailers. Although the scope of the issue seems to be largely focused on Seagate Exos data center-class drives, because of the wide-ranging drives that were used in Chia cryptocurrency mining several years ago, there is an increased likelihood that other large-capacity and high-durability drives should be considered, thanks to the relative ease of firmware modifications and larger quantities of HDDs being resold off the back of 5 year durabilities lines being crossed by the original coin miners!

UPDATED 20/02/25 (video HERE)

Reports are now arriving that Seagate Ironwolf and Ironwolf Pro modified/mis-sold HDDs are now also affected. The extent to this is still too early to confirm, but the latest reports from Heise indicate that 8TB and 16TB HDDs have been highlighted.

Further reports from ComputerBase via a community member fanatiXalpha provided further evidence and indications of this via the images from the original article here:

REAL HDD FAKE HDD

In this video I discuss multiple ways to initially identify issues with a ‘new’ Seagate Ironwolf HDD that do not involve connecting the HDD to a system. Later in this article cover several more methods that require connecting the drive to a NAS or general client system.

Another Example of a Fake HDD from user Busse:

Original Article:


The Missold Hard Drive Issue – TLDR

  • Check Your HDDs – Reports indicate used Seagate Exos hard drives are being sold as new, particularly 12TB-18TB models.

  • Firmware Manipulation – SMART data shows zero usage, but deeper FARM tests reveal 15,000-50,000 hours of prior use.

  • Widespread Issue – Over 200 reports from buyers in Germany, Japan, Australia, and other regions, spanning multiple retailers.

  • Crypto Mining Connection – Many affected drives likely came from Chia cryptocurrency farms (2018-2022) and re-entered the market fraudulently.

  • Tampering in Supply Chain – Drives may have been repackaged and resold by wholesalers and distributors, bypassing Seagate’s official channels.

  • Retailers & Seagate Respond – Some retailers are issuing refunds/exchanges. Seagate denies involvement and is investigating the supply chain breach.

  • Verify Your Drives – Use SMART, FARM, Seatools, and warranty checkers to confirm if your drive is genuine. Report suspicious drives to Seagate and your retailer.


What has been reported on the Seagate EXOS HDD Misselling

Earlier in the year, Heise reported that they had received dozens of reports from users who had purchased brand-new, enterprise-class Seagate Exos hard drives, only to find that when receiving the drives, they had scuffs and marks on them that suggested they were used—and used en masse. Further investigation of the hard drives using popular firmware tools initially showed that the drives’ SMART data was indicating little to no power-on usage. However, deeper investigation with deeper drive tools went on to reveal that the firmware had been manually adjusted to hide the tens of thousands of hours that these drives had already accrued in use.

Usage on drives has varied from between 15,000 hours and 50,000 hours, well over five years of deployment and well outside the warranty and workload rating on these drives in most cases. What is interesting though, is that retailers that have been impacted by this, and in fact a wide-ranging number of German retailers, have been highlighted as sources of these drives. However, reported issues span outside of Germany and include claims from purchases made in Japan, Australia, and other parts of Europe.

Fingers are initially being pointed at wholesalers, large-scale resellers, and distributors who supply the traditional retail and e-commerce websites that most users would be eligible to purchase from. Depending on the retailer, and several have already been highlighted in the now over 200 reports submitted to Heise, the returns and RMA process does differ from site to site, but this does appear to be a growing issue that most users will not even realize they have been hit by unless they take the time to investigate the usage data on their drives.

Primarily, Chia crypto farming has been highlighted as the origin of most of these drives, with huge quantities of large-capacity data center drives being purchased in 2018 to 2022, when this emerging and less GPU-centric form of cryptocurrency was being mined. Brands such as Seagate, WD, and Toshiba saw extraordinarily high sales numbers during this period for these drives, and equally, domestic users ended up being negatively impacted by supply shortages and price hikes. It seems that a lot of these drives that have either been abandoned from previously pursued cryptocurrency setups or just simply swapped out for ongoing farming have now made their way back into the supply chain under the guise of being regular, new, out-of-the-box drives!

The distribution channels, wholesalers, and affected e-commerce websites in order to ascertain how these drives have entered the supply chain and to what extent it has happened. They issued the following statement:

“We are taking this matter very seriously and are conducting a thorough investigation. As explained in the previous statement, Seagate did not sell or distribute these drives to retailers. We cannot provide details of the ongoing investigation, but we suspect that these drives are new products that Seagate sold to customers and were later resold by them on the used market. In this case, we believe that the drives were remarketed somewhere in the used market supply chain and resold as new. We recommend that retailers only purchase drives from certified Seagate distribution partners, as purchasing from certified Seagate distribution partners is the best way to ensure the authenticity of Seagate products for retailers and their customers.

Seagate has processes in place to investigate these types of cases, with teams working proactively with our vendors to take action where necessary. Our security team also regularly works with local authorities to take necessary action. Many investigations are initiated based on anonymous tips and reports from partners and customers. These measures are designed to protect Seagate partners and end customers in an increasingly global marketplace.

We encourage anyone who suspects they have received a used drive marketed as new to help with the investigation by reporting the incident to us directly at [email protected] . In addition, customers who have doubts about whether the products they purchased match the claims of the sellers can access our warranty checker tool . Suspicious drives and/or sellers can also be reported anonymously through our Ethics Hotline .

We are grateful for the trust our customers have placed in us and are determined to do everything possible to maintain that trust.” – Provided to Heise.de in response to the 200+ HDD Claims HERE 7/2/25


Which Hard Drives are affected/reported?

Currently, the bulk of aggregate reporting of this is going through the Heise website, and a lot of the submissions have been done via their anonymous reporting link, so exact model IDs are hard to track down right now. However, the bulk of the reported mis-sold drives appear to be Seagate Exos drives ranging from 12TB to 18TB. As mentioned earlier, however, the original reporting suggests that other drives have been highlighted by users. Realistically, it’s pretty unlikely that only Exos drives are going to be impacted as such. A wide-ranging procurement took place during the peak of Chia cryptocurrency farming, and pretty much any moderately durable, high-capacity hard drive was changing hands quickly at that time. This all does seemingly indicate right now that a lot of these drives are being offloaded with their firmware modified by one or a handful of bad actors, who likely are sitting on high quantities of the same hard drives. However, it would not surprise me whatsoever if over the coming months and years, we see spikes on affected drives outside of the Seagate Exos data center series.


How Can I Check If My Drives Were Mis-Sold as New?

Tools:

  • Putty Download Tools HERE
  • Seatools (PC/Linux) HERE
  • Smartmontools HERE
  • DriveDX for Mac HERE

There are multiple ways to check whether the hard drive inside your system, which you purchased as brand new, is actually new. However, the suitability of each tool will depend heavily on the system type and operating system your drive is running on. Seagate’s Seatools application allows you to check and validate multiple data points on your hard drives. However, it is only available as a Windows or Linux client, as well as a portable version. That means Mac users, or those less comfortable with command-line tools, may find it difficult to use—not to mention users who have multiple drives deployed in systems without a suitable GUI or command-line interface for validity checks. Below, I’ve broken down recommended tools and commands that you can use to verify your drives, their power-on hours, and other critical details.

How NAS users can Check and Verify the usage of the HDDs:

NAS users who suspect their drives may have been mis-sold as new can verify their SMART data and power-on hours using various tools. Most NAS operating systems, including Synology DSM, QNAP QTS, TrueNAS, and UnRAID, have built-in SMART monitoring tools within their storage manager or disk health sections. These tools provide essential SMART attributes, including Power-On Hours (POH), Reallocated Sectors, and Drive Temperature. However, in some cases, the SMART data may have been manipulated to show zero usage, making further verification necessary.

For deeper analysis, users can SSH into their NAS and install smartmontools, a command-line utility that provides detailed drive health reports. Running the command:

smartctl -a /dev/sdX

(where X is the drive identifier) will display all SMART attributes, including power-on hours. However, if the SMART data has been reset or manipulated, users can check the FARM (Field-Accessible Reliability Metrics) values for a more accurate picture of a drive’s actual usage history. To retrieve FARM values, NAS users can use:

smartctl -l farm /dev/sdX

This will reveal true power-on hours, drive usage patterns, and whether a drive has been extensively used before being reintroduced into the supply chain.

For those using QNAP or Synology NAS devices without direct access to smartmontools, Seagate’s Seatools (Windows/Linux) can be used by connecting the drives externally via a USB or SATA dock. Additionally, Seagate’s warranty checker tool allows users to verify if their drive was originally part of a multi-drive batch—a red flag that it may have been previously used in a server or data center environment.


How NAS Users Can Check SMART Data and Power-On Hours Over SSH (Including FARM Values for Verification & Integration with Smartmontools)

NAS users with SSH access can perform a deeper, more accurate verification of their hard drives’ SMART data and power-on hours to detect possible tampering. While many NAS systems, such as Synology DSM, QNAP QTS, TrueNAS, and UnRAID, provide built-in SMART monitoring via their web interface, these tools often rely on basic SMART queries, which may not reveal manipulated or reset power-on hours. By accessing the NAS via SSH, users can run Smartmontools directly, allowing them to extract FARM (Field-Accessible Reliability Metrics) values, which are not included in standard SMART logs.

To begin, users should SSH into their NAS and install Smartmontools if it is not already available. On Debian-based NAS systems (such as OpenMediaVault, TrueNAS SCALE, and some QNAP models running Debian Linux), install Smartmontools with:

sudo apt update && sudo apt install smartmontools

On Red Hat-based systems, use:

sudo yum install smartmontools

For NAS systems that do not allow package installations, users can still manually compile Smartmontools or install a Docker container that includes the tool.

Once Smartmontools is installed, running the command:

smartctl -a /dev/sdX

(replacing X with the correct drive identifier) will display SMART attributes, including Power-On Hours (POH). However, since bad actors can manipulate SMART data to show zero hours, users should perform an additional FARM query with:

smartctl -l farm /dev/sdX

Unlike SMART power-on hours, which can be reset, FARM values track long-term reliability metrics stored at a deeper firmware level, making them much harder to falsify. If there is a discrepancy between SMART-reported power-on hours and FARM-reported power-on hours, it strongly suggests that the drive has been used before but was manipulated to appear new.

Integrating Smartmontools into a NAS for Automated Checks

To automate drive health monitoring, NAS users can schedule periodic SMART and FARM scans using cron jobs or integrate them with the NAS system’s notification service.

  1. Create a SMART Monitoring Script
    Users can create a simple script to check SMART and FARM values for all installed drives and log the results.

#!/bin/bash

LOGFILE=”/var/log/smart_check.log”

echo “SMART Check – $(date)” >> $LOGFILE

for DRIVE in /dev/sd[a-z]; do

    echo “Checking $DRIVE…” >> $LOGFILE

    smartctl -a $DRIVE >> $LOGFILE

    smartctl -l farm $DRIVE >> $LOGFILE

done

Save this script as smart_check.sh and make it executable:

chmod +x smart_check.sh

2. Schedule Automated Checks with Cron
Users can schedule the script to run daily or weekly using cron.
Open the cron editor:

crontab -e

Add a line to run the script every day at 2 AM:

0 2 * * * /path/to/smart_check.sh

Set Up Email Alerts for Failures
To receive email alerts if issues are detected, modify the script to check for critical SMART attributes and send an email if problems are found:

#!/bin/bash
LOGFILE=”/var/log/smart_check.log”
EMAIL=”[email protected]
echo “SMART Check – $(date)” >> $LOGFILE
for DRIVE in /dev/sd[a-z]; do
    smartctl -a $DRIVE | tee -a $LOGFILE | grep -i “Pre-fail\|Reallocated_Sector_Ct\|Power_On_Hours”
    smartctl -l farm $DRIVE >> $LOGFILE
done
# Email log if issues detected
if grep -q “Pre-fail\|Reallocated_Sector_Ct” $LOGFILE; then
    mail -s “SMART Error Detected on NAS” $EMAIL < $LOGFILE
fi

By leveraging SSH, Smartmontools, and automated monitoring, NAS users can go beyond surface-level diagnostics and ensure they are not just scraping the same potentially manipulated data, but actually verifying their drives’ true usage history.


How Desktop Windows users can Check and Verify the usage of the HDDs:

Desktop users can verify the SMART information and power-on hours of their hard drives using several tools, including Smartmontools 7.4+, CrystalDiskInfo, and Seagate’s Seatools. The easiest method is using CrystalDiskInfo, a free GUI-based tool for Windows that displays critical SMART attributes, including Power-On Hours (POH), Reallocated Sectors, and Drive Health Status. However, if a drive has been tampered with, its SMART data may have been reset, making further verification necessary.

For deeper inspection, users can install Smartmontools 7.4 or later, which provides advanced diagnostics, including FARM (Field-Accessible Reliability Metrics) values, which can reveal the drive’s true runtime history. To check SMART data, open a command prompt (or terminal in Linux/macOS) and run:

smartctl -a /dev/sdX

(replacing X with the correct drive letter) to view detailed SMART attributes. If the reported power-on hours seem too low or suspiciously reset, users can retrieve FARM values by running:

smartctl -l farm /dev/sdX

This command will reveal the actual power-on hours and potential prior usage, even if the SMART data was modified.

Alternatively, Seagate’s Seatools (available for Windows and Linux) can run extended drive diagnostics, check SMART status, and validate warranty details. Users can also enter their drive’s serial number into Seagate’s warranty checker tool to confirm if the drive was originally sold as part of a batch, which may indicate prior data center or enterprise use.


How Mac users can Check and Verify the usage of the HDDs:

Mac users can verify SMART data and power-on hours using Smartmontools 7.4+, Seagate’s Seatools for Linux (via a bootable drive), and third-party macOS utilities like DriveDx. Since macOS does not provide built-in SMART monitoring tools, users need to install Smartmontools via Homebrew by running:

brew install smartmontools

Once installed, users can check SMART attributes, including power-on hours (POH), by opening Terminal and running:

smartctl -a /dev/diskX

(replacing X with the correct disk identifier, which can be found using diskutil list). If the reported power-on hours appear suspiciously low, users can retrieve FARM (Field-Accessible Reliability Metrics) values by running:

smartctl -l farm /dev/diskX

This will reveal the true runtime history of the drive, even if the SMART data was manipulated to show zero or low usage.

For users who prefer a graphical interface, DriveDx is a third-party macOS tool that provides SMART data, health status, and power-on hours. However, DriveDx does not display FARM values, so Smartmontools remains the best option for deeper diagnostics.

Since Seagate’s Seatools is not available for macOS, users can create a bootable USB drive with a Linux live environment (such as Ubuntu), run Seatools from there, and check the drive’s SMART health and warranty status. Additionally, Mac users can enter their drive’s serial number into Seagate’s online warranty checker to confirm if the drive was originally part of a batch sale, which may indicate prior enterprise use.

It’s important to note that depending on your system, the directory paths and identifiers for your drives will vary significantly. So, even if 100 users all had the same hard drive model, if they deployed them in different NAS brands, desktop OSs, or even external enclosures, the directory paths and device names would be different. Keep that in mind.


Are only Seagate EXOS Hard Drives Affected?

The Exos series drives appear to be taking the brunt of the reporting here. Realistically, if this flood of dubiously classified new drives is true, then the Exos series is definitely not going to be the only drives impacted by this. Moreover, Seagate was not the only hard drive manufacturer that was pumping out large-capacity hard drives at 12TB, 14TB, 16TB, and 18TB during the peak of this particular crypto-mining industry change! I think it is only now, thanks to the correlation of reports by Heise, that any kind of through-line has been found that specifically targets one hard drive brand or model series. At best, it really comes down to the bad actors who are modifying the firmware on these drives having the financial incentive to do so on a larger scale on a different hard drive series that they happen to have their hands on. The modification process of the onboard firmware and SMART data on Seagate drives is largely identical to that of the process on WD or Toshiba hard drives, and therefore, it really once again comes down to a question of correlating reports of these fake new drives all being collected together.


How Has This Happened? How Did Used Hard Drives Enter the Supply Chain?

You might not know, but when you purchase a hard drive from your local retailer, that retailer almost certainly does not directly receive their stock of hard drives from the hard drive manufacturer in question. Ordinarily, hard drives, like a lot of electrical components, have a pre-established supply chain that retailers and e-commerce websites have to follow when selling their goods. With the exception of OEM companies who can buy from further up the chain and cloud/data centers like AWS and Google who can even buy right from the top, there are technically four layers in the supply chain of hard drives.

  1. The first part of the supply chain is the hard drive manufacturer itself, in this case, Seagate Technology, which manufactures the hard drives at one of its production facilities in numerous locations around the world.
  2. The next step in the supply chain is the Regional Distribution Centers (RDCs). These are the hubs where the hard drive brand sends its manufactured goods to be distributed to numerous smaller distribution centers across different countries.
  3. The next step is wholesalers and resellers. Sometimes resellers can also act as direct-to-end-user sales points, but the lines can get blurry depending on the quantity or device in question. Nevertheless, the majority of electronics and consumables (including hard drives) cannot be sold directly from this point to an end user and instead need to be funnelled to the final step in the chain—retail shops.
  4. Which brings us to the final step in the chain—traditional retail outlets on the high street and the e-commerce websites you choose to purchase from. These are the ones you’ll be most familiar with, and unfortunately, a lot of these are the same retailers that end users impacted by these mis-sold hard drives have as their initial point of contact.

The issue is that these used hard drives, which are being falsely marketed as new, have been introduced into the supply chain somewhere between steps two and four. Seagate has not had any involvement in their reintroduction into the supply chain. Somewhere along the line, these used drives were inserted into the system, and that is what Seagate is currently investigating. The retail outlet where an affected user purchased the drive has more than likely been completely unaware that they have been selling used drives as new. In most cases, these drives would have arrived in sealed retail packaging, and the retailers would have been reluctant to open up supposedly new products for testing, as doing so would immediately devalue the product in the eyes of their consumer and business buyer base.

Therefore, it is going to take time for Seagate to find the smoking gun and pinpoint which wholesaler, reseller, or distributor allowed these used drives to re-enter the supply chain.


Is Selling Used/Refurbished Hard Drives Illegal?

The sale of used, data center-grade, refurbished, or officially recertified drives is completely legal. Although Seagate, WD, and Toshiba would probably prefer to see the used hard drive market disappear, selling used drives is not illegal.

Many online retailers, including Amazon and Newegg, actively sell recertified and renewed drives—just as easily as brand-new ones.

The problem here is that these were used drives that were fraudulently mis-sold as brand new—and that IS illegal. In short, this is fraud, and the people selling these drives could be pursued for damages if customers lose data due to these drives failing far sooner than expected. That’s why any drive that isn’t new is required to be labeled as recertified, refurbished, or renewed. This ensures clarity for the buyer when making a purchasing decision.

That said, some sellers intentionally make it hard to determine if a drive is refurbished. For example, a Seagate IronWolf 12TB hard drive sold on Amazon’s “previously owned” listings might clearly state that it’s used—but it won’t mention that it was originally manufactured in 2017, meaning it could be 8 years old and already have tens of thousands of hours of prior use. It wouldn’t be so bad if the manufacturing date was displayed at the top of the listing, but instead, it’s buried deep in the product details. Bottom line: Selling used drives is not illegal. Selling used drives under the guise of being brand new is fraud—and highly illegal.


Is This Seagate’s Fault?

In all honesty, one could argue that Seagate is responsible for selling large volumes of high-capacity, data center-class hard drives to the original cryptocurrency farmers. However, this would be no different than selling the drives to any regular SMB, just a question of large-scale volume. Seagate is not responsible or in any way officially authorizing the reselling of its hard drives under the classification of new storage media. Additionally, the official partners that Seagate chooses to sell its goods through have almost certainly sold these drives with as much authentication between them and the distributors/resellers as possible. It could be argued that Seagate should personally step in at the supply chain level further down the chain to periodically check the health and condition of drives—much like a hard drive secret shopper—but that’s really about it. Right now, as long as Seagate commits to investigating how this occurred and acts upon what they find to ensure that mis-sold drives don’t enter the supply chain again, that’s about as far as I think this can go in terms of blaming Seagate. Realistically, we can’t lose sight of the fact that it is the fault of the bad actors who modified these hard drives in an effort to recover the original money spent on them before Chia farming collapsed. Wherever the entry point was that allowed these drives to re-enter the supply chain, that is what needs to be identified and stopped.


What Should I Do if I Believe my HDD was Missold?

If you believe that the hard drive in your NAS, server, or storage system was mis-sold to you as a brand-new drive when in fact it was heavily used, you need to contact your point of sale immediately. Tools such as Seagate’s own warranty checker allow you to enter the serial number of your hard drive into their database checker. Regardless of whether your hard drive is still under warranty, it will still highlight whether this is an official drive or not. Additionally, if you purchased a single drive that was sold as new, but upon entering the details into the warranty checker on Seagate’s website shows that this drive was part of a larger batch, this would imply that the drive you purchased was originally included in a larger server system previously—not unlike how a food or drink product is labeled as part of a multipack and not for individual resale. If a single drive that you purchased as brand-new is listed as originally part of a multi-drive system, it is highly recommended that you contact your retailer and/or raise this with Seagate directly for further investigation.

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Are Your Hard Drives REALLY New? CHECK RIGHT NOW – IT’S IMPORTANT!

‘Used Seagate EXOS HDDs Missold as ‘New – Other Drives Implicated

Now would be a very good time to check any hard drives you’ve purchased in the last 12 to 24 months! Recent reports from popular German news outlet Heise have raised increased reports of refurbished and modified SMART-reported drives being sold as brand new, leading to large concerns of widespread ex-cryptocurrency-burnt drives being sold through trusted business and domestic retailers. Although the scope of the issue seems to be largely focused on Seagate Exos data center-class drives, because of the wide-ranging drives that were used in Chia cryptocurrency mining several years ago, there is an increased likelihood that other large-capacity and high-durability drives should be considered, thanks to the relative ease of firmware modifications and larger quantities of HDDs being resold off the back of 5 year durabilities lines being crossed by the original coin miners!

UPDATED 20/02/25 (video HERE)

Reports are now arriving that Seagate Ironwolf and Ironwolf Pro modified/mis-sold HDDs are now also affected. The extent to this is still too early to confirm, but the latest reports from Heise indicate that 8TB and 16TB HDDs have been highlighted.

Further reports from ComputerBase via a community member fanatiXalpha provided further evidence and indications of this via the images from the original article here:

REAL HDD FAKE HDD

In this video I discuss multiple ways to initially identify issues with a ‘new’ Seagate Ironwolf HDD that do not involve connecting the HDD to a system. Later in this article cover several more methods that require connecting the drive to a NAS or general client system.

Another Example of a Fake HDD from user Busse:

Original Article:


The Missold Hard Drive Issue – TLDR

  • Check Your HDDs – Reports indicate used Seagate Exos hard drives are being sold as new, particularly 12TB-18TB models.

  • Firmware Manipulation – SMART data shows zero usage, but deeper FARM tests reveal 15,000-50,000 hours of prior use.

  • Widespread Issue – Over 200 reports from buyers in Germany, Japan, Australia, and other regions, spanning multiple retailers.

  • Crypto Mining Connection – Many affected drives likely came from Chia cryptocurrency farms (2018-2022) and re-entered the market fraudulently.

  • Tampering in Supply Chain – Drives may have been repackaged and resold by wholesalers and distributors, bypassing Seagate’s official channels.

  • Retailers & Seagate Respond – Some retailers are issuing refunds/exchanges. Seagate denies involvement and is investigating the supply chain breach.

  • Verify Your Drives – Use SMART, FARM, Seatools, and warranty checkers to confirm if your drive is genuine. Report suspicious drives to Seagate and your retailer.


What has been reported on the Seagate EXOS HDD Misselling

Earlier in the year, Heise reported that they had received dozens of reports from users who had purchased brand-new, enterprise-class Seagate Exos hard drives, only to find that when receiving the drives, they had scuffs and marks on them that suggested they were used—and used en masse. Further investigation of the hard drives using popular firmware tools initially showed that the drives’ SMART data was indicating little to no power-on usage. However, deeper investigation with deeper drive tools went on to reveal that the firmware had been manually adjusted to hide the tens of thousands of hours that these drives had already accrued in use.

Usage on drives has varied from between 15,000 hours and 50,000 hours, well over five years of deployment and well outside the warranty and workload rating on these drives in most cases. What is interesting though, is that retailers that have been impacted by this, and in fact a wide-ranging number of German retailers, have been highlighted as sources of these drives. However, reported issues span outside of Germany and include claims from purchases made in Japan, Australia, and other parts of Europe.

Fingers are initially being pointed at wholesalers, large-scale resellers, and distributors who supply the traditional retail and e-commerce websites that most users would be eligible to purchase from. Depending on the retailer, and several have already been highlighted in the now over 200 reports submitted to Heise, the returns and RMA process does differ from site to site, but this does appear to be a growing issue that most users will not even realize they have been hit by unless they take the time to investigate the usage data on their drives.

Primarily, Chia crypto farming has been highlighted as the origin of most of these drives, with huge quantities of large-capacity data center drives being purchased in 2018 to 2022, when this emerging and less GPU-centric form of cryptocurrency was being mined. Brands such as Seagate, WD, and Toshiba saw extraordinarily high sales numbers during this period for these drives, and equally, domestic users ended up being negatively impacted by supply shortages and price hikes. It seems that a lot of these drives that have either been abandoned from previously pursued cryptocurrency setups or just simply swapped out for ongoing farming have now made their way back into the supply chain under the guise of being regular, new, out-of-the-box drives!

The distribution channels, wholesalers, and affected e-commerce websites in order to ascertain how these drives have entered the supply chain and to what extent it has happened. They issued the following statement:

“We are taking this matter very seriously and are conducting a thorough investigation. As explained in the previous statement, Seagate did not sell or distribute these drives to retailers. We cannot provide details of the ongoing investigation, but we suspect that these drives are new products that Seagate sold to customers and were later resold by them on the used market. In this case, we believe that the drives were remarketed somewhere in the used market supply chain and resold as new. We recommend that retailers only purchase drives from certified Seagate distribution partners, as purchasing from certified Seagate distribution partners is the best way to ensure the authenticity of Seagate products for retailers and their customers.

Seagate has processes in place to investigate these types of cases, with teams working proactively with our vendors to take action where necessary. Our security team also regularly works with local authorities to take necessary action. Many investigations are initiated based on anonymous tips and reports from partners and customers. These measures are designed to protect Seagate partners and end customers in an increasingly global marketplace.

We encourage anyone who suspects they have received a used drive marketed as new to help with the investigation by reporting the incident to us directly at [email protected] . In addition, customers who have doubts about whether the products they purchased match the claims of the sellers can access our warranty checker tool . Suspicious drives and/or sellers can also be reported anonymously through our Ethics Hotline .

We are grateful for the trust our customers have placed in us and are determined to do everything possible to maintain that trust.” – Provided to Heise.de in response to the 200+ HDD Claims HERE 7/2/25


Which Hard Drives are affected/reported?

Currently, the bulk of aggregate reporting of this is going through the Heise website, and a lot of the submissions have been done via their anonymous reporting link, so exact model IDs are hard to track down right now. However, the bulk of the reported mis-sold drives appear to be Seagate Exos drives ranging from 12TB to 18TB. As mentioned earlier, however, the original reporting suggests that other drives have been highlighted by users. Realistically, it’s pretty unlikely that only Exos drives are going to be impacted as such. A wide-ranging procurement took place during the peak of Chia cryptocurrency farming, and pretty much any moderately durable, high-capacity hard drive was changing hands quickly at that time. This all does seemingly indicate right now that a lot of these drives are being offloaded with their firmware modified by one or a handful of bad actors, who likely are sitting on high quantities of the same hard drives. However, it would not surprise me whatsoever if over the coming months and years, we see spikes on affected drives outside of the Seagate Exos data center series.


How Can I Check If My Drives Were Mis-Sold as New?

Tools:

  • Putty Download Tools HERE
  • Seatools (PC/Linux) HERE
  • Smartmontools HERE
  • DriveDX for Mac HERE

There are multiple ways to check whether the hard drive inside your system, which you purchased as brand new, is actually new. However, the suitability of each tool will depend heavily on the system type and operating system your drive is running on. Seagate’s Seatools application allows you to check and validate multiple data points on your hard drives. However, it is only available as a Windows or Linux client, as well as a portable version. That means Mac users, or those less comfortable with command-line tools, may find it difficult to use—not to mention users who have multiple drives deployed in systems without a suitable GUI or command-line interface for validity checks. Below, I’ve broken down recommended tools and commands that you can use to verify your drives, their power-on hours, and other critical details.

How NAS users can Check and Verify the usage of the HDDs:

NAS users who suspect their drives may have been mis-sold as new can verify their SMART data and power-on hours using various tools. Most NAS operating systems, including Synology DSM, QNAP QTS, TrueNAS, and UnRAID, have built-in SMART monitoring tools within their storage manager or disk health sections. These tools provide essential SMART attributes, including Power-On Hours (POH), Reallocated Sectors, and Drive Temperature. However, in some cases, the SMART data may have been manipulated to show zero usage, making further verification necessary.

For deeper analysis, users can SSH into their NAS and install smartmontools, a command-line utility that provides detailed drive health reports. Running the command:

smartctl -a /dev/sdX

(where X is the drive identifier) will display all SMART attributes, including power-on hours. However, if the SMART data has been reset or manipulated, users can check the FARM (Field-Accessible Reliability Metrics) values for a more accurate picture of a drive’s actual usage history. To retrieve FARM values, NAS users can use:

smartctl -l farm /dev/sdX

This will reveal true power-on hours, drive usage patterns, and whether a drive has been extensively used before being reintroduced into the supply chain.

For those using QNAP or Synology NAS devices without direct access to smartmontools, Seagate’s Seatools (Windows/Linux) can be used by connecting the drives externally via a USB or SATA dock. Additionally, Seagate’s warranty checker tool allows users to verify if their drive was originally part of a multi-drive batch—a red flag that it may have been previously used in a server or data center environment.


How NAS Users Can Check SMART Data and Power-On Hours Over SSH (Including FARM Values for Verification & Integration with Smartmontools)

NAS users with SSH access can perform a deeper, more accurate verification of their hard drives’ SMART data and power-on hours to detect possible tampering. While many NAS systems, such as Synology DSM, QNAP QTS, TrueNAS, and UnRAID, provide built-in SMART monitoring via their web interface, these tools often rely on basic SMART queries, which may not reveal manipulated or reset power-on hours. By accessing the NAS via SSH, users can run Smartmontools directly, allowing them to extract FARM (Field-Accessible Reliability Metrics) values, which are not included in standard SMART logs.

To begin, users should SSH into their NAS and install Smartmontools if it is not already available. On Debian-based NAS systems (such as OpenMediaVault, TrueNAS SCALE, and some QNAP models running Debian Linux), install Smartmontools with:

sudo apt update && sudo apt install smartmontools

On Red Hat-based systems, use:

sudo yum install smartmontools

For NAS systems that do not allow package installations, users can still manually compile Smartmontools or install a Docker container that includes the tool.

Once Smartmontools is installed, running the command:

smartctl -a /dev/sdX

(replacing X with the correct drive identifier) will display SMART attributes, including Power-On Hours (POH). However, since bad actors can manipulate SMART data to show zero hours, users should perform an additional FARM query with:

smartctl -l farm /dev/sdX

Unlike SMART power-on hours, which can be reset, FARM values track long-term reliability metrics stored at a deeper firmware level, making them much harder to falsify. If there is a discrepancy between SMART-reported power-on hours and FARM-reported power-on hours, it strongly suggests that the drive has been used before but was manipulated to appear new.

Integrating Smartmontools into a NAS for Automated Checks

To automate drive health monitoring, NAS users can schedule periodic SMART and FARM scans using cron jobs or integrate them with the NAS system’s notification service.

  1. Create a SMART Monitoring Script
    Users can create a simple script to check SMART and FARM values for all installed drives and log the results.

#!/bin/bash

LOGFILE=”/var/log/smart_check.log”

echo “SMART Check – $(date)” >> $LOGFILE

for DRIVE in /dev/sd[a-z]; do

    echo “Checking $DRIVE…” >> $LOGFILE

    smartctl -a $DRIVE >> $LOGFILE

    smartctl -l farm $DRIVE >> $LOGFILE

done

Save this script as smart_check.sh and make it executable:

chmod +x smart_check.sh

2. Schedule Automated Checks with Cron
Users can schedule the script to run daily or weekly using cron.
Open the cron editor:

crontab -e

Add a line to run the script every day at 2 AM:

0 2 * * * /path/to/smart_check.sh

Set Up Email Alerts for Failures
To receive email alerts if issues are detected, modify the script to check for critical SMART attributes and send an email if problems are found:

#!/bin/bash
LOGFILE=”/var/log/smart_check.log”
EMAIL=”[email protected]
echo “SMART Check – $(date)” >> $LOGFILE
for DRIVE in /dev/sd[a-z]; do
    smartctl -a $DRIVE | tee -a $LOGFILE | grep -i “Pre-fail\|Reallocated_Sector_Ct\|Power_On_Hours”
    smartctl -l farm $DRIVE >> $LOGFILE
done
# Email log if issues detected
if grep -q “Pre-fail\|Reallocated_Sector_Ct” $LOGFILE; then
    mail -s “SMART Error Detected on NAS” $EMAIL < $LOGFILE
fi

By leveraging SSH, Smartmontools, and automated monitoring, NAS users can go beyond surface-level diagnostics and ensure they are not just scraping the same potentially manipulated data, but actually verifying their drives’ true usage history.


How Desktop Windows users can Check and Verify the usage of the HDDs:

Desktop users can verify the SMART information and power-on hours of their hard drives using several tools, including Smartmontools 7.4+, CrystalDiskInfo, and Seagate’s Seatools. The easiest method is using CrystalDiskInfo, a free GUI-based tool for Windows that displays critical SMART attributes, including Power-On Hours (POH), Reallocated Sectors, and Drive Health Status. However, if a drive has been tampered with, its SMART data may have been reset, making further verification necessary.

For deeper inspection, users can install Smartmontools 7.4 or later, which provides advanced diagnostics, including FARM (Field-Accessible Reliability Metrics) values, which can reveal the drive’s true runtime history. To check SMART data, open a command prompt (or terminal in Linux/macOS) and run:

smartctl -a /dev/sdX

(replacing X with the correct drive letter) to view detailed SMART attributes. If the reported power-on hours seem too low or suspiciously reset, users can retrieve FARM values by running:

smartctl -l farm /dev/sdX

This command will reveal the actual power-on hours and potential prior usage, even if the SMART data was modified.

Alternatively, Seagate’s Seatools (available for Windows and Linux) can run extended drive diagnostics, check SMART status, and validate warranty details. Users can also enter their drive’s serial number into Seagate’s warranty checker tool to confirm if the drive was originally sold as part of a batch, which may indicate prior data center or enterprise use.


How Mac users can Check and Verify the usage of the HDDs:

Mac users can verify SMART data and power-on hours using Smartmontools 7.4+, Seagate’s Seatools for Linux (via a bootable drive), and third-party macOS utilities like DriveDx. Since macOS does not provide built-in SMART monitoring tools, users need to install Smartmontools via Homebrew by running:

brew install smartmontools

Once installed, users can check SMART attributes, including power-on hours (POH), by opening Terminal and running:

smartctl -a /dev/diskX

(replacing X with the correct disk identifier, which can be found using diskutil list). If the reported power-on hours appear suspiciously low, users can retrieve FARM (Field-Accessible Reliability Metrics) values by running:

smartctl -l farm /dev/diskX

This will reveal the true runtime history of the drive, even if the SMART data was manipulated to show zero or low usage.

For users who prefer a graphical interface, DriveDx is a third-party macOS tool that provides SMART data, health status, and power-on hours. However, DriveDx does not display FARM values, so Smartmontools remains the best option for deeper diagnostics.

Since Seagate’s Seatools is not available for macOS, users can create a bootable USB drive with a Linux live environment (such as Ubuntu), run Seatools from there, and check the drive’s SMART health and warranty status. Additionally, Mac users can enter their drive’s serial number into Seagate’s online warranty checker to confirm if the drive was originally part of a batch sale, which may indicate prior enterprise use.

It’s important to note that depending on your system, the directory paths and identifiers for your drives will vary significantly. So, even if 100 users all had the same hard drive model, if they deployed them in different NAS brands, desktop OSs, or even external enclosures, the directory paths and device names would be different. Keep that in mind.


Are only Seagate EXOS Hard Drives Affected?

The Exos series drives appear to be taking the brunt of the reporting here. Realistically, if this flood of dubiously classified new drives is true, then the Exos series is definitely not going to be the only drives impacted by this. Moreover, Seagate was not the only hard drive manufacturer that was pumping out large-capacity hard drives at 12TB, 14TB, 16TB, and 18TB during the peak of this particular crypto-mining industry change! I think it is only now, thanks to the correlation of reports by Heise, that any kind of through-line has been found that specifically targets one hard drive brand or model series. At best, it really comes down to the bad actors who are modifying the firmware on these drives having the financial incentive to do so on a larger scale on a different hard drive series that they happen to have their hands on. The modification process of the onboard firmware and SMART data on Seagate drives is largely identical to that of the process on WD or Toshiba hard drives, and therefore, it really once again comes down to a question of correlating reports of these fake new drives all being collected together.


How Has This Happened? How Did Used Hard Drives Enter the Supply Chain?

You might not know, but when you purchase a hard drive from your local retailer, that retailer almost certainly does not directly receive their stock of hard drives from the hard drive manufacturer in question. Ordinarily, hard drives, like a lot of electrical components, have a pre-established supply chain that retailers and e-commerce websites have to follow when selling their goods. With the exception of OEM companies who can buy from further up the chain and cloud/data centers like AWS and Google who can even buy right from the top, there are technically four layers in the supply chain of hard drives.

  1. The first part of the supply chain is the hard drive manufacturer itself, in this case, Seagate Technology, which manufactures the hard drives at one of its production facilities in numerous locations around the world.
  2. The next step in the supply chain is the Regional Distribution Centers (RDCs). These are the hubs where the hard drive brand sends its manufactured goods to be distributed to numerous smaller distribution centers across different countries.
  3. The next step is wholesalers and resellers. Sometimes resellers can also act as direct-to-end-user sales points, but the lines can get blurry depending on the quantity or device in question. Nevertheless, the majority of electronics and consumables (including hard drives) cannot be sold directly from this point to an end user and instead need to be funnelled to the final step in the chain—retail shops.
  4. Which brings us to the final step in the chain—traditional retail outlets on the high street and the e-commerce websites you choose to purchase from. These are the ones you’ll be most familiar with, and unfortunately, a lot of these are the same retailers that end users impacted by these mis-sold hard drives have as their initial point of contact.

The issue is that these used hard drives, which are being falsely marketed as new, have been introduced into the supply chain somewhere between steps two and four. Seagate has not had any involvement in their reintroduction into the supply chain. Somewhere along the line, these used drives were inserted into the system, and that is what Seagate is currently investigating. The retail outlet where an affected user purchased the drive has more than likely been completely unaware that they have been selling used drives as new. In most cases, these drives would have arrived in sealed retail packaging, and the retailers would have been reluctant to open up supposedly new products for testing, as doing so would immediately devalue the product in the eyes of their consumer and business buyer base.

Therefore, it is going to take time for Seagate to find the smoking gun and pinpoint which wholesaler, reseller, or distributor allowed these used drives to re-enter the supply chain.


Is Selling Used/Refurbished Hard Drives Illegal?

The sale of used, data center-grade, refurbished, or officially recertified drives is completely legal. Although Seagate, WD, and Toshiba would probably prefer to see the used hard drive market disappear, selling used drives is not illegal.

Many online retailers, including Amazon and Newegg, actively sell recertified and renewed drives—just as easily as brand-new ones.

The problem here is that these were used drives that were fraudulently mis-sold as brand new—and that IS illegal. In short, this is fraud, and the people selling these drives could be pursued for damages if customers lose data due to these drives failing far sooner than expected. That’s why any drive that isn’t new is required to be labeled as recertified, refurbished, or renewed. This ensures clarity for the buyer when making a purchasing decision.

That said, some sellers intentionally make it hard to determine if a drive is refurbished. For example, a Seagate IronWolf 12TB hard drive sold on Amazon’s “previously owned” listings might clearly state that it’s used—but it won’t mention that it was originally manufactured in 2017, meaning it could be 8 years old and already have tens of thousands of hours of prior use. It wouldn’t be so bad if the manufacturing date was displayed at the top of the listing, but instead, it’s buried deep in the product details. Bottom line: Selling used drives is not illegal. Selling used drives under the guise of being brand new is fraud—and highly illegal.


Is This Seagate’s Fault?

In all honesty, one could argue that Seagate is responsible for selling large volumes of high-capacity, data center-class hard drives to the original cryptocurrency farmers. However, this would be no different than selling the drives to any regular SMB, just a question of large-scale volume. Seagate is not responsible or in any way officially authorizing the reselling of its hard drives under the classification of new storage media. Additionally, the official partners that Seagate chooses to sell its goods through have almost certainly sold these drives with as much authentication between them and the distributors/resellers as possible. It could be argued that Seagate should personally step in at the supply chain level further down the chain to periodically check the health and condition of drives—much like a hard drive secret shopper—but that’s really about it. Right now, as long as Seagate commits to investigating how this occurred and acts upon what they find to ensure that mis-sold drives don’t enter the supply chain again, that’s about as far as I think this can go in terms of blaming Seagate. Realistically, we can’t lose sight of the fact that it is the fault of the bad actors who modified these hard drives in an effort to recover the original money spent on them before Chia farming collapsed. Wherever the entry point was that allowed these drives to re-enter the supply chain, that is what needs to be identified and stopped.


What Should I Do if I Believe my HDD was Missold?

If you believe that the hard drive in your NAS, server, or storage system was mis-sold to you as a brand-new drive when in fact it was heavily used, you need to contact your point of sale immediately. Tools such as Seagate’s own warranty checker allow you to enter the serial number of your hard drive into their database checker. Regardless of whether your hard drive is still under warranty, it will still highlight whether this is an official drive or not. Additionally, if you purchased a single drive that was sold as new, but upon entering the details into the warranty checker on Seagate’s website shows that this drive was part of a larger batch, this would imply that the drive you purchased was originally included in a larger server system previously—not unlike how a food or drink product is labeled as part of a multipack and not for individual resale. If a single drive that you purchased as brand-new is listed as originally part of a multi-drive system, it is highly recommended that you contact your retailer and/or raise this with Seagate directly for further investigation.

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NAS Hard Drives – Which Should You Buy?

Choosing the Best Hard Drives for your NAS

Note – this is the 2024 update of the rolling ‘best HDD for your NAS’ article (Cheers Clayton!)

When choosing a NAS server for your home or business, selecting the right hard drive is essential. Just like every tool in a toolbox has its role, NAS-specific drives are engineered to meet the particular needs of network storage environments. Using the wrong type of drive in a NAS can lead to decreased performance and potential issues with reliability. In recent years, manufacturers have developed specialized NAS hard drives (including SSDs) that are designed for 24/7 use, high durability, and optimized read/write cycles to suit NAS workloads. As we enter 2025, the storage landscape has evolved significantly, with hard drives now reaching capacities of 24TB and 26TB, and innovations in platter technology leading to 11-platter designs. This breakthrough could soon push capacities beyond 30TB, addressing the growing need for massive data storage in both personal and professional settings. With such a wide range of drive sizes and types available, from 2TB to 26TB and beyond, it can be difficult to navigate the choices. To help, I’ve compiled a guide that highlights eight different NAS/Server setups and the most compatible hard drive options for each, taking into account the latest developments in technology and market trends for 2024/2025

Note – Use our Best Price Per TB Calculator tool HERE in order to get the best value storage for your needs. It includes filters for NAS size, redundancy, budget and capacity needs too!

Recommended NAS Hard Drives


Important – What You Need to Consider in a NAS HDD?

When selecting a NAS hard drive, understanding key terms can help you make the right choice. Here’s a quick guide to essential terms for 2024:

RAID – Redundant Array of Independent Disks enhances storage, speed, and data safety by using multiple drives. RAID 0 offers no protection but maximizes space. RAID 1, 5, and 6 provide varying levels of redundancy for safer storage.

SATA – Still the main connection type for NAS mechanical drives in 2024, SATA offers 6Gbps speeds, but mechanical drives generally top out at 280MB/s. Newer connections like NVMe and SAS are more prominent in enterprise SSDs.

Saturation – Refers to data flow through a connection. Although SATA allows up to 600MB/s, most mechanical NAS drives perform in the 180-280MB/s range.

Platters – Disks inside the drive that store data. Drives in 2024 now feature up to 11 platters, supporting capacities of up to 30TB.

Rotation Speed – Faster spinning platters improve read/write speeds, critical for performance.

Cache – A temporary memory buffer on the drive. Larger NAS drives often include bigger caches for smoother data handling, especially in SMR drives.

Terabytes Written (TBW) – Also known as “Workload Rating,” TBW measures how much data a NAS hard drive can handle in a year while maintaining performance. This metric accounts for regular use, such as filling and emptying the drive repeatedly, which is common in data centers. Standard NAS drives usually support around 180TBW, Pro models around 300TBW, and Enterprise-class drives 550TBW or more.

Magnetic Recording – This refers to the technology used to store data on the drive’s platters. In 2024, the main types are SMR (Shingled Magnetic Recording), PMR/CMR (Perpendicular/Conventional Magnetic Recording), EAMR (Energy Assisted Magnetic Recording), and HAMR (Heat Assisted Magnetic Recording). PMR/CMR remains the most widely used for NAS hard drives due to its balance of reliability and performance.

Warranty Length – This is the manufacturer’s commitment to repair or replace a hard drive if it fails due to manufacturing defects. NAS drive warranties typically last between 3 and 5 years.

These terms are key to understanding how to select the best NAS hard drive in 2024. Next, we’ll explore different NAS environments and recommend the best drives for each.

Best Hard Drives for an Affordable RAID 6 Desktop 6/8-Bay NAS – Seagate Ironwolf (non-Pro)

1-12TB, 5900-7200RPM, 64-256MB Cache, 180TBW, 3yr Warranty, Rescue Data Recovery Services Included $50-229 

For those who are looking at a NAS server for business, or are home users who have made the enterprising move into the Prosumer bracket, then a 6-Bay or 8-Bay desktop NAS solution will become incredibly attractive. At this storage tier, we find a number of very cool and incredibly useful features become more widely available. For a start, we find the utility of RAID 6 (the 2 disk safety net configuration) much more palatable, as it makes less of a dent on our total available storage. Additionally, at this storage size, we start to see much more powerful processors, such as the Intel Core (i3, i5, etc) series arrive, AMD Ryzen and even Xeons. This combined with huge expandability of both memory internally and storage externally and generally with 10Gbe included as standard or available as an upgrade. So, at this scale of NAS storage, the hard drive choice becomes more important, as you do not want to create an internal bottleneck. For this tier of storage, I recommend the Seagate Ironwolf range of NAS drives. They arrive with a large number of 7200RM drives (with 5400RPM in the smaller capacities), a 180 terabytes per year guaranteed workload and the Seagate Rescue service. For those that are not aware, the Seagate Rescue+ package is a data recovery service that is included with your Ironwolf and Ironwolf Pro drives that, alongside your 3 year warranty, includes an additional 3 years of data recovery services.

What that means is that if your drive fails through no fault of your own within reason (so, no, not smashing it with a hammer), you can send the drive off to the Seagate recovery labs and they will try to get that data back. From accidental deletion, all the way through to mechanical and forensic level recovery, this is an impressive inclusion! You should still factor other safety nets in your architecture (backups, UPS, RAID, etc) but given the cost of data recovery services (costing anything from hundreds to thousands of pounds), this is a very, VERY useful inclusion when you need it. Additionally, Seagate Ironwolf hard drives sill manage to be the most affordable NAS drives on the market compared with their competitors, even when including the Rescue recovery included. They are also the only 3rd party NAS hard drive brand that has a tool to monitor drive health available on practically ALL the NAS software GUIs in the market, in Seagate Ironwolf Health Management.

+ Excellent Price Point

+ Rescue Data Recovery Services

+ Seagate Ironwolf Health Management

+ ONLY CMR/PMR Drives in their NAS Range

– Max Drive Capacity is 12TB (Pro Series go up to 22TB)

– Noisier General Operation than WD Red Drives

DEAL WATCH Is It On Offer Right Now?

Seagate Ironwolf (non-Pro) 8TB NAS HDD (BF) Amazon usa USA $149.99 (17% OFF, was $179.99) [LINK]

These Offers are Checked Daily

Best Hard Drives for a Small NAS Drive – WD Red & WD Red Plus

1-14TB, 5400/7200RPM (higher Caps = 7200RPM), 64-256MB Cache, 180TBW, 3yr Warranty, WD Red 1-6TB (SMR), WD Red Plus 1-14TB (CMR) $69-379

If you are looking to populate a compact, modestly powered, desktop NAS system (so a 1-Bay or 2-Bay NAS drive), then you have quite a large range of Hard Drives on offer. It is worth highlighting though that larger and more enterprise drives (i.e faster and longer warranty) will be noticeably noisier. Additionally, you will need to factor in that your maximum storage is going to be capped at either a single drive OR (in a 2-Bay NAS with RAID 1)  your storage halved to maintain redundancy. Finally, you will need to factor in that most 2-Bay NAS devices will either have a smaller external network connection (1/2.5Gbe) or are not really capable of saturating a full connection externally. So, baring these factors in mind, I would recommend the WD Red series of NAS hard drives for small NAS systems. They do not typically have more aggressive hardware internally, so the ambient noise when these drives are running will be remarkably low.

The performance, due to the lower rotations per minute (RPM) and cache might not seem spectacularly high, but in a 1-Bay or 2-Bay NAS, you likely could not push much performance externally anyway, so why spend much more on something that in most cases you will not be able to take advantage of. Be warned though, as you reach the much higher capacities above 8TB, the general background noise of the drives will increase incrementally.

+ Affordable Price Tag

+ Low Noise and Power Consumption in 24×7 Use

+ Good base level of Capacities Available

– Some Drive feature Shingled Magnetic Recording (SMR)

– Performance is fairly average in the smaller capacities

DEAL WATCH Is It On Offer Right Now?

WD Red Plus Internal NAS HDD 3.5\" - 12TB WesternDigital usa USA 2 HDD for $399 [LINK]
WD 8TB WD RED PLUS HDD B&H usa USA £159.99 ($49 off) [LINK]
WD Red Plus 4TB NAS Hard Drive (BF) Amazon usa USA 29% OFF, Now $84.99 (was $119.99) [LINK]
Western Digital 6TB WD Red Plus HDD (BF) Amazon usa USA $99.99 (33% OFF) [LINK]

These Offers are Checked Daily

Affordable Hard Drives for a RAID 5 Desktop 4-Bay NAS – Toshiba N300

4-18TB, 7200RPM, 128-512MB Cache, 180 TBW, 3yr Warranty, 1-1.2M MTBF Rating $250-450  

A 4-Bay NAS drive is generally when home and small/medium business users start to take their storage seriously. There are such a wide variety of hardware options that arrive at this storage tier, ranging from powerful Intel/AMD processors and DDR4 memory, to 10Gbe and PCIe upgrades. This arrives with the utility if RAID 5, that allows users to have a much larger potential capacity and performance, but still have a single drive of redundancy to fall back on in the event of drive failure. At this degree of NAS storage, you have a much greater potential to not only largely saturate a 10Gbe connection, but alternatively, you can also look into installing 2.5Gbe and 5Gbe upgrades and fill multiple plus gigabit connections directly or via a switch.  In order to maximize this connection, but to also not max out your budget, I recommend the Toshiba N300 range of Hard Drives. Although they are a brand that is generally held commercially in the 3rd place when it comes to NAS media drives, their N300 range arrives at a similar/lower price point than Seagate Ironwolf and WD Red, but also arrives with 7200RPM on all capacities, with the lowest capacity arriving with 128MB caching and scaling up to 256MB quickly in the series. The increase in RPM will increase the background clicks, hums and whirs of the drive, but at 4-Bays, this is something that the NAS enclosure itself will begin to generate too. A high performing and often overlooked drive that, at the top capacity, can hit performance of up to 274MB/s.

+ Well Priced for a 7200RPM and 128/256/512 Cache Drive

+ Available in up to 18TB, even in non-Pro N300 Series

+ Error Recovery Control

– Will Generate More Noise at 7200RPM

– Not As Widely Available

– Not as well regarded as Seagate or WD

The 3.5-inch N300 NAS Hard Drive offers unprecedented reliability for NAS and other high-performance storage systems. It is optimized to meet the reliability, endurance, performance and scalability requirements of 24-hour x 7-day high-capacity storage for personal, home office and small business use. The N300 is available in capacities of up to 18 TB.

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Best Hard Drives for a Small Rackmount NAS – WD Red Pro

2-22TB, 7200RPM, 128-512MB Cache, 300TBW, 5yr Warranty $85-429 

Now we move onto the Rackmount NAS compatible hard drives, we have to start looking squarely at two main factors – Performance and Durability. If you are a business or established Prosumer user, then chances are that your NAS system is going to be used for a much larger % per day than most average users. Whether it is for surveillance, virtual machines, business file-sharing or just a combination of all of them every day, you want drives that are going to give you a good level of performance internally AND externally. Likewise, as the hard drives in even a modest rackmount NAS will be on for extended periods, you need to know that the drive can maintain the promising performance indefinitely AND without braking. This is where we start to look at specifications such as TBW (Terabytes Written), Mean time between failure, workload cycles and the warranty in more detail. For those looking at 10Gbe equipped or at least ’10Gbe Ready’ modest rackmount systems, I would recommend the WD Red Pro series of compatible NAS hard drives. Generally, one of the first Pro series NAS hard drives to arrive on the market, the WD Red Pro series is designed for NAS systems up to 24Bays and is available up to 18TB currently.

What did we say about the WD Red Pro 22TB highest tier model? We reviewed it back on September ’22 and whichever way you look at it, the WD Red Pro 22TB Hard drive is a stone-cold WINNER of a drive – both in terms of what it brings to the end user AND what this new 10-platter/OptiNAND drive design means for the future of the WD drive line up. WD does not over promise with this drive (with performance exceeding the brands reported benchmarks in almost every one of my tests, even using mid-range equipment) and they even nailed the price point in line with previous drives in the portfolio (though there is simply no avoiding that you are going to need deep pockets to fully populate any system with these 22TB drives). That said, much like any other WD Red Pro drive, the more industrial architecture still leads to a slightly higher running temp, noisier operation and slight increased power use. This is to be expected, but with no non-Pro alternative available at this capacity, the feasibility of fully populating a smaller scale system with the WD Red Pro 22TB is going to be both expensive AND noisy. I definitely recommend this drive to larger-scale NAS and SAN environments that need sustained RAID performance, high capacity and storage reliability – just maybe buy some earplugs if you plan on working in the same room as them.

Certainly one of the most expensive NAS HDDs out there, but provides a very good level of storage, performance, durability and overall is a very dependable drive for SMB users (Small/Medium Business) that want a drive they can rely on.

+ Top Tier NAS Drive Performance

+ 300TB/Y Workload

+ Build for up to 24-Bay Servers

– Certainly Noiser than non-Pro equivalents

– More Expensive than the Seagate Pro Option

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Best Hard Drives for an SMB Rackmount NAS 12-Bay – Seagate Ironwolf Pro

4-24TB, 7200RPM, 256MB Cache, 300 TBW (Newer NT version rates at 550TBW), 5yr Warranty, Rescue Data Recovery Services Included $79-399 

When it comes to the move into Rackmount storage for businesses (novices stop here) then not only do you have to only consider Pro/Enterprise-class drives only, but you can also start to look at drives that include certain business level advantages in terms of coverage and service. Much like the non-PRO series of hard drives mentioned earlier, the Seagate Ironwolf Pro series of HDDs include the Rescue+ data recovery services but also includes an impressive 5 years of the manufacturers warranty. However, it is in terms of performance, capacity and durability that the difference between these two ranges become apparent. For a start, the Ironwolf Pro HDD range arrives in capacities of up to 18TB (26-30TB promised for later in 2024/2025 thanks to Energy Assisted Magnetic Recording – with 50TB slated by end of the decade), with ALL drives in the PRO range arriving with 7200RPM and 256/512MB of cache. The result is that these drives will hit up to an impressive 260MB/s, which even in smaller RAID 5 groups will easily saturate a 10Gb connection with just 4-5 drives.I performed te sts on 64MB, 256MB, 1GB and 4GB test files, as well as mixed 70/30% R/W. The results were consistent and largely lived up to Seagate’s claims here.

What did we think of the Seagate Ironwolf Pro larger capacities? We reviewed the new NT series (higher durability at 550TBW over 300TBW in the previous revisions) 20TB version and Straight out the gate, the Seagate Ironwolf Pro 20TB HDD comfortably delivers on it’s promises of performance. This alongside full tested and confirmed compatibility with Synology and QNAP NAS devices means that you have a drive here that can turn any 4-Bay NAS into a 60TB RAID5 Storage colossus – let alone once you start thinking about rackmounts and hyperscale. The pricing at the time of writing is a little muddled (the result of having two SKUs/Model IDs floating around in the market and eTailers having to play catch up) but that should hopefully iron out over time. I particularly appreciate that the workload discussion surrounding ‘Pro’ Class drives at 300TB/yr vs rapid HDD capacity growth is being addressed here with a 550TB/yr version to rival that of ‘Ent’ class drives – whatever the reason/motivation. The value of the Ironwolf Health Management tool is going to be something of debate and the inclusion of 3yrs data recovery services is a nice extra that (with any luck) few will need to use – but having them included in a 20TB HDD that still manages to maintain a similar level of Price per TB vs the bulk of NAS HDDs in the Pro tier increases the value notably. As HDDs continue to increase in scale and Seagate (among other brands) continues to outline their plans to hit 50TB by the end of the decade, the Seagate Ironwolf Pro ST2000NT001 is another good example of an HDD that finds a sweet spot between price, durability and value. Just be aware that this is a drive designed for large-scale use and that means high operational noise and higher than typical power use than non-Pro and smaller cap drives!

In recent years we have seen Seagate reshuffle their range of available capacities to align the capacities from 1-12TB to arrive in the standard Ironwolf range and Capacities of up to 18TB and 22TB to arrive on the PRO series (likely due to those larger capacity options requiring the more enterprise hardware as standard and making a non-PRO version impossible without purposely nerf’ing the lesser drives intentionally. There is crossover in 4-12TB models in between, however, the distinction in RPM, cache, build design and TBW rating is wide enough to justify this. The noise level of the Ironwolf HDD series in PRO is noticeable higher, but given these are designed for larger arrays, this noise increase will be less noticeable over the ambient noise of the whole system generally.

+ Excellent Price Point vs Ironwolf NON-Pro in the Portfolio

+ Rescue Data Recovery Services

+ New NT Version Available with 550 TB Annual Workload

+ Seagate Ironwolf Health Management

+ ONLY CMR/PMR Drives in their NAS Range

– Smallest Drive Capacity is 4TB

– Noticeable Boot Up Noise

DEAL WATCH Is It On Offer Right Now?

Seagate 24TB Ironwolf Pro $439 B&H usa USA $439.99 ($210 off) [LINK]
Seagate 24TB Ironwolf PRO HDD (BF) Amazon usa USA 38% OFF - Now $399 [LINK]
Seagate Ironwolf (non-Pro) 8TB NAS HDD (BF) Amazon usa USA $149.99 (17% OFF, was $179.99) [LINK]

These Offers are Checked Daily

 

Best Hard Drives for an Enterprise Rackmount NAS Server – Seagate EXOS

1-24TB, 72000RPM, 256-512MB Cache, SAS & SATA Options, 550 TBW, 5yr Warranty, $99-519   

Now we finally move into the class of hard drive that is more classically defined at ‘Data Center’ and/or Hyperscale environments. Often choosing between a PRO class and Enterprise-class drive can be ticky at a glance. However, Pro class drives generally arrive with a much longer terabytes written rating per year (ie the amount of data that can be written to the drive throughout its lifespan per annum), arrive in numerous interfaces (so both SAS and SATA generally) and typically arrive with numerous format and encryption standard versions available. These are available because some industries and organizations insist on drive media that features in-built protection and secure erase on the drive itself. Of all the enterprise and data centre-class media in the market, I generally recommend the Seagate EXOS series for any hyper scale system environment. They are very, VERY closely followed by the Western Digital UltraStar class of drives, but the Seagate EXOS series is a little clearer to understand, has larger capacity options available earlier, with several variations of their Mach.2 available (dual actuator/arm SATA drives at 400MB/s+ and even triactuator drives in development) and generally arrive a pinch lower in price too in like-for-like comparisons against the Ultrastar.

Sound Test Video Live Soon (Below)

Changes by Synology in their 2021/2022 series of rackmounts systems onwards to ONLY support their own range of HDD media has led to their own drives featuring on their own respective hardware, so make sure to check that your intended NAS rackmount system supports Seagate EXOS drives before you head to checkout, as this is a trend that has continued right up to the most recent releases this year, as well as reduced HDD compatibility listings for home/SMB solutions such as the DS224+ and DS423+.

+ Huge Range of Architecture Options (FIPS, Military Encryp, 4KN, SED, SAS and more)

+ Constantly Evolving (Mach 2 versions, x14, x16 & x18 etc)

+ Comparatively Lower in Price vs Ultrastar

+ New 24TB Model (X24) Version Available

– Range Can Be Confusing

– Availability Can Be Difficult + Some Models Are ‘Bulk Purchase’ Only

– Noisy!

DEAL WATCH Is It On Offer Right Now?

Seagate EXOS Enterprise Server 24TB Hard Drive (BF) Amazon usa USA 20% off – $479.99 (was $599.99) [LINK]

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Best Hard Drives for a Business Synology NAS – Synology HAT5300

8-20TB, 7200RPM, 256/512MB Cache, 550TBW, 5yr Warranty, Synology System ONLY, Firmware Control on Synology DSM $199-599 

Arriving on the scene in Jan 2021 originally, the Synology branded range of Hard drives for enterprise server use took ALOT of people by surprise! Synology has always had a long-standing reputation with the production of network-attached storage, so in efforts to produce a complete first-party storage system that includes the software, the network hardware AND the media inside is very what their brand has been all about. In their defence too, these are not just cash-grab drives and are in-fact enterprise-class drives that are being priced at PRO series drives (so an Ultrastar/EXOS drive that is at the price tag of a WD Red or Ironwolf Pro). The drives themselves arrive (at launch anyway) with just three capacities available (8TB, 12TB and 16TB) and the architecture of them is quite eye-catching. A 550TBW per year rating, a 2.5Million MTTF, 256/512MB cache and performance ranging across the capacities from 230MB/s to a reported 270MB/s+. The drives are originally Toshiba M06/07/08 Enterprise drives that have a tweaked Synology NAS firmware onboard, so they are geared specifically towards utilization inside the Synology ecosystem. You can even check and upgrade the individual drive firmware directly from with the Synology DSM graphical user interface too, which is quite a unique and convenient feature for those larger arrays with differing drive versions being installed throughout your server’s lifespan.

You cannot really question the quality of the hardware architecture featured on the Synology HAT5300 range of hard drives. We clearly find here a range of drives that have been designed by Toshiba (an HDD vendor with decades of experience and Synology are not being coy about highlighting the partnership on this media), combined with one of the biggest providers of modern NAS in Synology, with media that is tweaked for use within their NAS systems and despite arriving at a Pro series price tag, arrive with hardware far more comparable to that of Seagate EXOS and Western digital Ultrastar hard drives. With a terrifically impressive annual workload, an approach to drive firmware and upgrades relatively unseen from any other drive for NAS’ and remarkable transparency from Synology in the marketing of these drives on day one certainly needs to be acknowledged. Moreover, Synology is not the first brand to champion the use of locked hard drive media in their service systems and they certainly won’t be the last. Overall, I am happy with the new Synology hard drives and despite possible reservations about where the logic of locked drives and exclusivity on this product and range will be extended to in the future (standard class versions?), I still happily recommend the Synology HAT5300 media series alongside other champions of NAS hard drive in 2024/2025

The move towards hard drive locking by Synology is something that has impressed some and disappointed others – but if you were going to be installing drive media inside a NAS system for business anyway, then ultimately these are still a very solid and well-performing product for you.

+ Enterprise Drives at a PRO class Price

+ 550TBW on ALL Capacities

+ Drive Firmware can be Updated from within the Synology DSM GUI

– Using them in not Synology NAS Hardware is not Supported

– More Expensive than other Enterprise Class HDDs from Seagate & WD

– Noisy Operation

DEAL WATCH Is It On Offer Right Now?

Synology DS1621+/96TB HAT5300 6 Bay Amazon UK UK 37.37 OFF (WAS 5458) [LINK]
Synology DS1821+/128TB HAT5300 8 Bay Amazon UK UK 64.02 OFF (WAS 6641) [LINK]

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Best Hard Drives for a Business QNAP NAS – WD Ultrastar

1-26TB, 7200RPM, 256-512MB Cache, 550TBW, 5yr Warranty, FIPS and SED Options, SATA, SAS and U.2 NVMe SSD Options $70-550  

Finally, we move onto possibly the most well known of the enterprise-class of Hard Drives on the market. When it comes to data center and hyper-scale storage environments, Western Digital’s UltraStar range has the same reputation and long-running recognition as IBM has in the computer industry. They have been the go-to drive media of choice in the huge storage environment’s for years, thanks in large part to the fact they have been designed, developed and improved at the same time as the systems they were going into. In recent years, competitors have taken chunks of the market from them (as they are a larger and slightly slower behemoth to suddenly change tactic) and feature larger product runs that have to last extensive lengths of time to facilitate data center replacement media as needed. Nevertheless, in recent years the Ultrastar brand under WD has diversified hugely and alongside the popular WD Gold label has branched into a vast array of interface types, form factors, media variants and scales. Typically the first drive series to crack into a new capacity tier (the first to crack 20TB too – as well as rolling out the 24TB and 26TB HDD media to data centers before everyone else).

Sound Test Video Live Soon (Below)

The Ultrastar series of hard drives will often be compared against the WD Red Pro range of NAS hard drives when considering populating a server. It is worth remembering that the Ultrastar series is designed for both a higher performance AND a much more enduring performance – i.e it can maintain that level, as well as switch between processes, for much longer. Indeed in testing, the Ultrastar even features a much higher Read and Write performance than pretty much any other drive that peaks as high as 280MB/s in our ATTO DiskBenchmark testing below with just a single HDD. Even the IOs (IOPS_ went as high as 19,000, which although low when compared with modern high-end SSDs, for a single HDD is really impressive).

The drives themselves are fantastically dull in appearance of course, as one might expect from the enterprise tier and also feature quite an aggressive spin up noise. However, in much larger scale environments, you will almost certainly not hear the drive media over the ambient system fan noise. Overall still an oldie but a goodie!

+ Consistently High Performance

+ Well-established HDD Drive and Brand

+ Numerous Interfaces, in-Drive Encryption Systems and Choices

– DEFINITELY one of the most confusing product ranges

– Noticeably Noisy at boot

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Best Hard Drives for a Home or Small Business x23/x24 Gen Synology NAS – Synology HAT3300 Plus Series

4/6/8/12TB, 5900-7200RPM, 64-256MB Cache, 180TBW, 3yr Warranty, Synology NAS Designed, Firmware Update in DSM $109-189 

There is most certainly a clear design choice here to mirror that of the existing regular-class server drives on the market right now. The Synology HAT 3300+ series has been reported several times, not just here on the blog, to be built using Seagate Iron Wolf drive media with specific Synology firmware on board. Arriving with 180-terabyte annual workloads, 5400rpm, 256-megabyte cache, arriving in a CMR architecture and air-sealed – the specifications we see here are all quite standard. The 12TB benefits from an increased RPM and helium sealing, as per most 12 TB drives in the market, but apart from that the Synology Plus hard drive series are going to run quieter than most pro or enterprise-class drives, as well as have a slightly lower power consumption, but are also going to have a slight performance decrease than that of the HAT5300 and HAT3300. But that is only going to be of significance in larger RAID configurations realistically.

The differences between the Synology HAT3300, HAT5300/HAS5300 are pretty much exactly as you would find if you compared WD Red and Seagate IronWolf versus that of Seagate Exos and WD Ultrastar. Indeed, I am a little surprised that Synology has not introduced a middle ground in the form of a pro series drive, but perhaps this is something that will roll out later down the line. Nevertheless, this results in quite a void of performance, durability, and scale between these two ranges when compared to long-term established server hard drive ranges from these other companies filling the gaps of capacity and pro middle ground choices. It should be immediately highlighted that regardless of which Synology hard drive you opt for, you still benefit from firmware updates being actionable from within the Synology DSM software, easier and more streamlined warranty support, and firmware optimization that is specifically tailored towards Synology hardware deployment. We have discussed this at length previously when discussing the Synology enterprise hard drives and SSDs, and although you pay a premium for Synology’s own branded drives when compared to third-party alternatives that people have been using for decades, there are nonetheless merits in using drives specifically geared towards your NAS system rather than requiring a slightly broader design that suits more diverse servers. Here is how the Synology enterprise SATA, enterprise SAS, and mid-range plus hard drives differ in their specifications:

 
Classification Enterprise SATA Enterprise SAS Domestic SATA
Series Name Enterprise/XS Enterprise/XS PLUS
Model HAT5300 HAS5300 HAT3300
Interface SATA 6Gb SAS 12Gb SATA 6Gb
Recording CMR/PMR CMR/PMR CMR/PMR
Capacity (5/23) 4/8/12/16/18TB 8/12/16/18TB 4/6/8/12TB
RPM 7200RPM 7200RPM 5400RPM (7200 on 12TB)
Cache 256/512MB 256/512MB 256MB
Sector Size 512e 512e 512e
Max Transfer Speed (Capacity Dependant) 254/260/253/274/281MB/s 241/253/274MB/s 202/240MB/s
Drive Sealing AIR/AIR/Helium/Helium/Helium AIR/Helium/Helium/Helium AIR/AIR/AIR/Helium
Power Use (Idle) 4.07/5.61/4.25/4.00/4.16W 6.62/4.36/4.46W 3.96/3.4/3.4/5.07W
Power Use (Active) 7.76/9.29/7.83/7.63/8.35W 9.87/7.80/8.12W 4.85/5.3/5.3/8.33W
Load/Unload Cycles 600K 600K 600K
Workload Rating 550TB (Annual) 550TB (Annual) 180TB (Annual)
MTBF (Hrs) 2.0/2.5Million 2.5Million 1Million
Warranty 5 Years 5 Years 3 Years

+ Much more affordable than the HAT5300 Series

+ Better range off smaller capacities than HAT5300

+ Drive Firmware can be Updated from within the Synology DSM GUI

– Not Supported on Bigger Synology NAS Systems (eg XS or SA Series)

– Lacks Data Recovery Service of Seagate Ironwolf HDDs

– 12TB Maximum Capacity (at time of writing)

DEAL WATCH Is It On Offer Right Now?

Synology DS224+ 32TB 2 Bay NAS Solution installed with 2 x 16 HAT3300 Drives Amazon UK UK 96.85 OFF (WAS 968) [LINK]

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IMPORTANT! Compatibility of Hard Drives with Synology NAS Systems

An increasingly important factor when selecting NAS hard drives is their compatibility with specific NAS systems. Over the last 18-24 months, there has been a noticeable trend, especially with Synology, towards reducing the range of compatible, supported, or verified HDDs. Synology has shown a preference for their own HAT3300 and HAT5300 drives, somewhat limiting the choice for users of their systems. This shift marks a departure from the traditionally open approach where most NAS brands, including Synology, supported a wide range of third-party drives.

This change in policy is significant for users needing specific storage solutions or those accustomed to a broader choice of drives. It contrasts with other NAS brands, which continue to support a variety of third-party drives, including the latest high-capacity models. When choosing a NAS hard drive in 2024/2025, it’s crucial to consider not just the drive’s specifications but also its compatibility with your NAS system. This ensures that you can take full advantage of the NAS’s features and avoid potential compatibility issues.

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