Adidas, le géant allemand de l’équipement sportif, vient d’alerter ses clients sur une nouvelle fuite de données, la troisième cette année. Particularité : la brèche ne vient pas de ses propres serveurs, mais d’un prestataire chargé du service client, exposant des informations personnelles supplémentaires. 

Adidas, le géant allemand de l’équipement sportif, vient d’alerter ses clients sur une nouvelle fuite de données, la troisième cette année. Particularité : la brèche ne vient pas de ses propres serveurs, mais d’un prestataire chargé du service client, exposant des informations personnelles supplémentaires. 

TB5 M.2 NVMe Pegasus5 from Promise Revealed

At Computex 2025 in Taipei, PROMISE Technology introduced the Pegasus5 M8, an NVMe-based RAID storage system built around Intel’s Thunderbolt 5 interface. This new addition to the Pegasus5 product line focuses on delivering high-throughput, low-latency performance in a compact form factor tailored for professionals working with data-heavy content. Thunderbolt 5 provides a significant increase in bandwidth compared to previous generations, supporting up to 80 Gbps combined data and video transfer, which the M8 leverages for intensive media workflows. The M8 was presented as part of PROMISE’s wider strategy to address evolving demands in high-resolution video production, AI-assisted processing, and portable high-speed storage. Its debut follows the earlier launch of the Pegasus5 R12 and R12 Pro, which introduced 12-bay and hybrid HDD/SSD tower configurations with RAID capabilities, aimed at larger-scale desktop storage environments.

Promise Pegasus5 M8 Hardware Specifications

The Pegasus5 M8 is a compact, all-flash 8-bay direct-attached storage (DAS) system that exclusively supports M.2 NVMe SSDs. It accommodates both standard 2280-length SSDs and 1.5-inch variants, allowing flexibility in selecting drives based on capacity, endurance, or thermal profile. The system supports a mix of TLC-based drives for high performance and QLC-based drives for increased capacity per dollar, giving users the option to tailor the configuration toward speed, cost-efficiency, or a balance of both. Each M.2 slot is connected via a high-speed PCIe backplane, allowing maximum parallel bandwidth to the controller for simultaneous multi-drive operations.

Specification	Details
Form Factor	8-Bay Portable NVMe Storage System
Drive Support	8 × M.2 NVMe SSD (2280 and 1.5-inch supported)
Interface	Thunderbolt 5 (up to 80 Gbps combined bandwidth)
Maximum Throughput	Up to 6,000 MB/s
RAID Support	RAID 0, 1, 5, 6, 10, 50, 60
RAID Engine	PROMISE PromiseRAID with NVMeBoost acceleration
Management Software	PROMISE Utility Pro (macOS and Windows compatible)
Power Delivery	Up to 140W passthrough charging (depends on host capabilities)
Display Support	Dual 6K or single 8K monitor via Thunderbolt 5 DisplayPort tunneling
Thermal Management	Intelligent fan control, internal heat dissipation with SSD thermal pads
Power Supply	Internal, 100–240V AC, 50–60Hz
Compatibility	macOS 13 and above, Windows 10 and later
Dimensions	Not officially disclosed (compact/portable class)
Certifications	RoHS, ErP compliant

The system’s core connectivity is provided by Thunderbolt 5, which doubles the baseline throughput of Thunderbolt 4. In standard mode, it offers 40 Gbps bidirectional data bandwidth, while the Bandwidth Boost mode enables a combined total of up to 80 Gbps for asymmetric workloads—ideal for video-heavy pipelines. In addition to raw data throughput, Thunderbolt 5 also provides support for DisplayPort tunneling, enabling the M8 to drive external monitors (up to dual 6K or a single 8K display) through the same interface used for data. Furthermore, the port delivers significantly enhanced power, with the system supporting passthrough charging of up to 140W, subject to host-side capabilities and cable specification.

Internally, the M8 leverages PROMISE’s NVMeBoost and PromiseRAID technologies for RAID management, data acceleration, and system diagnostics. RAID levels 0, 1, 5, 6, 10, 50, and 60 are supported across the full NVMe SSD array, providing a wide range of redundancy and performance configurations. PromiseRAID includes advanced features such as Predictive Data Migration (PDM), which periodically checks drive health using SMART telemetry and reallocates data proactively in the event of early failure indicators. This is paired with real-time monitoring, automatic rebuild processes, and background consistency checks—all accessible via the PROMISE Utility Pro software.

From a thermal and acoustic perspective, the M8 is designed with intelligent fan control that dynamically adjusts based on system temperature, minimizing noise during idle or low-load periods. The chassis incorporates airflow paths optimized for side-to-side or front-to-back movement depending on orientation, and thermal pads are used to dissipate heat from the M.2 SSDs to internal heatsinks. The power supply is internal, auto-switching between 100–240V AC, and the unit includes power-saving features such as host-synced sleep/wake, contributing to energy efficiency in extended deployment. The system is compatible with macOS 13 and later as well as Windows 11.

In the context of the PROMISE Pegasus5 series, particularly models like the R12 and M8 that utilize Thunderbolt 4 and 5, it’s important to distinguish between upstream and downstream ports as they serve different roles in device connectivity. The upstream port on a Pegasus5 system is used to connect the storage unit to the host computer—typically a Mac or Windows workstation. This is the primary data pathway through which the system is controlled, data is read and written, and device management is executed.

The downstream port, by contrast, enables daisy-chaining or peripheral expansion from the Pegasus unit to additional Thunderbolt or USB-C devices. This could include external monitors, additional storage devices, or other Thunderbolt peripherals. On Thunderbolt 4-enabled systems like the Pegasus5 R12, the downstream port supports dual 4K or a single 8K monitor, allowing it to act as both a storage device and a hub for display and accessory connectivity. On Thunderbolt 5 systems like the M8 or R12 Pro, this downstream capability is expanded further, supporting higher display resolutions and bandwidth-intensive devices without reducing data throughput to the storage array. This separation ensures consistent storage performance even when other peripherals are in use.

Promise Pegasus5 R12 and R12 Pro Specifications

The Pegasus5 R12 and R12 Pro are tower-based storage systems designed primarily for desktop environments where higher raw capacity and mixed-drive support are required. The standard R12 model features 12 bays for 3.5-inch SATA HDDs, supporting up to 288TB using 24TB drives. It connects via Thunderbolt 4 and provides sequential performance of up to 3,000 MB/s. The unit includes dual Thunderbolt 4 ports—one upstream and one downstream—supporting daisy-chaining and external display connectivity. Internally, it runs on a quad-core 2.2 GHz storage processor with 8GB of DDR4 ECC memory, and supports a wide range of RAID levels including 0, 1, 5, 6, 10, 50, and 60, with optional hot spare functionality. Like the M8, it is managed via PROMISE Utility Pro and includes support for Predictive Data Migration.

Specification	Pegasus5 R12	Pegasus5 R12 Pro
Form Factor	12-Bay Tower	12 + 4-Bay Hybrid Tower
Drive Support	12 × 3.5″ SATA HDD	12 × 3.5″ SATA HDD + 4 × M.2 2280 NVMe SSD
Max Capacity	Up to 288TB (12 × 24TB)	288TB HDD + 32TB NVMe SSD (4 × 8TB)
Interface	Thunderbolt 4 (40 Gbps), USB4 compatible	Thunderbolt 5 (up to 80 Gbps), USB4 compatible
Maximum Throughput	Up to 3,000 MB/s	Up to 6,000 MB/s
RAID Support	RAID 0, 1, 5, 6, 10, 50, 60	RAID 0, 1, 5, 10, 50 (NVMe), full RAID for HDD
RAID Engine	PromiseRAID	PromiseRAID with NVMe RAID support
Processor	Storage Processor, 4-core, 2.2 GHz	Same
Memory	8GB DDR4 ECC DIMM	Same
Display Support	One downstream Thunderbolt 4 port (dual 4K or single 8K monitor)	Thunderbolt 5 display tunneling for multiple 6K/8K monitors
Power Delivery	Up to 85W (Thunderbolt/USB4 host)	Up to 140W passthrough charging (host dependent)
Management Software	PROMISE Utility Pro	Same
Operating Systems	macOS 13 and above, Windows 10 or later	Same
Hot Swap / Hot Spare	Supported	Supported
Smart Features	Predictive Data Migration, SMART polling, Intelligent cooling	Same
Dimensions (mm)	318 x 227 x 227	Same
Weight	15.5 kg	Slightly higher (exact value not disclosed)
Power Supply	AC 100–240V, 350W	Same
Certifications	EMC: FCC, CE; Safety: cTUVus, CB; RoHS, ErP	Same

The R12 Pro builds upon this foundation by introducing a hybrid 12+4 bay architecture—adding four M.2 2280 NVMe SSD slots alongside the 12 standard HDD bays. This hybrid layout enables users to implement NVMe-based caching or tiered storage to accelerate performance-critical operations while retaining the high capacity of mechanical storage. The R12 Pro is equipped with Thunderbolt 5 connectivity, offering a data rate of up to 6,000 MB/s and compatibility with advanced display and charging protocols. RAID support is extended to NVMe drives, allowing configurations such as RAID 0, 1, 5, 10, and 50 across the SSD layer. The system retains the same internal architecture and management tools as the standard R12 but introduces higher thermal demands and greater performance headroom due to its dual-media architecture.

Who are the Promise Pegasus5 M8, R12 and R12 Pro For?

The Pegasus5 M8, R12, and R12 Pro are each designed to address distinct storage requirements, aligning with varying workflows and user priorities. The M8 is suited for professionals who require high-speed NVMe performance in a compact and portable form factor. Its use of Thunderbolt 5 and full NVMe support makes it particularly effective for high-resolution video editing (4K to 8K), real-time AI model training, and mobile post-production environments. Its small footprint and low-noise design further enhance its usability for users who operate in constrained or shared workspaces, or who regularly travel with their equipment.

The R12 and R12 Pro are more appropriate for stationary, high-capacity storage needs. The R12, with its 12-bay HDD configuration, supports large media libraries and backup repositories, making it suitable for long-term storage in editing suites or enterprise archive setups. The R12 Pro extends this by incorporating NVMe SSD support alongside HDDs, offering tiered storage capabilities that appeal to users who require a balance between high throughput and large volume. This model is targeted at studios or teams managing high-bandwidth workflows such as multi-stream video processing, where simultaneous access to cached and archival data is necessary.

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Zettlab D6 AI NAS Prototype Review – A Glimpse at the Future of Local AI NAS?

The Zettlab D6 represents a compelling entry into the increasingly competitive world of AI-integrated network-attached storage. Developed by a relatively new player in the market, Zettlab is attempting to blend traditional NAS functionality with localized artificial intelligence features, positioning its devices as intelligent storage hubs capable of far more than simple file serving or backups. It’s important to emphasize from the outset that the Zettlab D6 — and its siblings in the D4, D6 Ultra, and D8 Ultra series — are still under development, with the company preparing to launch these systems via crowdfunding rather than established retail channels. This distinction is not trivial: what we’re looking at here is a prototype, an early production model meant to demonstrate core functionality, not a finalized consumer-ready product. As such, this review assesses both the current capabilities and the projected potential, while keeping in mind the expected evolutions that may come post-launch.

This review is based on a pre-release prototype of the Zettlab D6, supplied ahead of the official crowdfunding campaign. While the unit demonstrated strong hardware build quality and successfully showcased many of the local AI features promoted by the brand, it’s important to note that this version may not fully reflect the final product that backers will receive. As development continues, both software and functionality are expected to evolve. A follow-up video will be produced closer to the end of the crowdfunding campaign to reassess the system, evaluate any updates, and determine how closely the final release aligns with early expectations.

BUILD QUALITY - 8/10

HARDWARE - 8/10

PERFORMANCE - 6/10

PRICE - 9/10

VALUE - 9/10

8.0

PROS

Real local AI processing (image recognition, OCR, transcription, semantic search) works without internet access on the D6.
Intuitive natural language commands for system control (e.g., adjust fan speed, create users, reboot) via built-in AI chat. But still very early days...
Excellent LCD display provides real-time system stats (CPU, RAM, IP, disk status) — rare at this price point.
Fast and responsive UI with good UX; even advanced features like RAID setup and AI search feel snappy and polished, if a little feature lite at this development stage
One-click SD card backup with programmable automation tasks (copy, transcode, eject) — ideal for photographers and creators.
Unique design and solid build quality
Fully populated app center, thanks to the community, ready packaged container deployment at 1 click
Clear product segmentation between D6 and Ultra models (better AI support, faster connectivity, PCIe expansion), allowing users to scale as needed - but could be clearer about the need for an included 1-click local AI client model on the client app requirements.

CONS

Not final software — many features are still in beta or marked “coming soon,” including VM hosting and first-party AI enhancements.
Partial dependency on desktop client for advanced AI functions (like document chat and LLM integration) on the D6 model.
Crowdfunding risks — as a pre-release, crowdfunded device, the final user experience may differ from the reviewed prototype.

Zettlab D6 AI NAS – Hardware Design

Positioned as a mid-tier offering in the range, the D6 occupies a unique spot in Zettlab’s portfolio. It’s more powerful than the compact 4-bay D4, but stops short of the considerable hardware resources found in the D6 Ultra and D8 Ultra. At the heart of the D6 lies the Rockchip RK3588, an ARM-based SoC (System on Chip) that features eight processing cores and an integrated NPU (Neural Processing Unit) capable of six trillion operations per second (6 TOPS).

This chip has become a popular choice for AI-at-the-edge applications due to its low power draw, reasonable performance, and growing developer ecosystem. Complementing the CPU is 16GB of LPDDR4x memory — soldered to the board and non-upgradable — which is ample for many NAS workloads but may bottleneck under high AI load or virtualization. Storage-wise, the system includes six SATA drive bays and a single M.2 NVMe slot for SSD caching or high-speed application hosting. The OS resides on a 32GB eMMC module, which, while functional, is slower and less durable than SSD alternatives found in higher-tier models.

By contrast, the Ultra-class models — the D6 Ultra and D8 Ultra — are built around x86 architecture, using Intel’s Core Ultra 5 125H processor. This CPU offers a dramatic leap in compute potential, with 14 cores (combining performance and efficiency cores), 18 threads, and an integrated AI engine capable of 34 TOPS. These devices support up to 96GB of DDR5 memory via SODIMM slots and include dual PCIe Gen 4 M.2 NVMe slots for storage or app caching. So, an important thing that potential buyers of the standard D4 and D4 model need to note is that this system arrives with ‘on board’ memory, not ‘SODIMM’. This is not uncommon on more ‘efficient’ CPU-powered systems, but AI processes can get really memory hungry and that fixed 16GB, although good to have ‘out the gate’ could potentially serve as a low glass ceiling for heavier ops later on.

They also ship with a 256GB SSD for the operating system, eliminating the limitations of eMMC entirely. The D6 Ultra provides six drive bays like its ARM counterpart, while the D8 Ultra expands to eight, catering to users with higher storage demands.

Network interfaces also scale accordingly, with dual 10GbE ports on the Ultra devices, significantly improving throughput for AI workloads or media editing environments. This clear segmentation allows Zettlab to cater to both entry-level users and more demanding professional or prosumer environments.

Although the D6 is not as performance-heavy as the Ultra models, it still delivers a surprisingly mature and distinctive hardware design — especially for a product from a startup brand. Visually, the D6 breaks from the mold of black-box NAS devices with a more industrial design language. The drive trays are notably robust, offering support for both 3.5” and 2.5” drives without the need for tools, and include subtle shock absorption to reduce wear during hot-swaps. Behind the trays, a SATA backplane keeps cabling clean and ensures good airflow, aided by a rear-mounted fan.

The chassis is largely steel and aluminum, with solid build quality across panels and connectors. The front panel features a real-time 3.49-inch LCD display — one of the best I’ve seen in this price range — capable of showing system temperature, CPU and memory utilization, storage status, and network throughput.

This is complemented by an LED lighting strip and a programmable hardware copy button, as well as a comprehensive set of front ports including a USB-C and USB-A port (both USB 3.2 Gen 1), SD3.0 and SD4.0 card readers, and a TF card slot.

Connectivity on the D6’s rear I/O is functional, if modest by today’s standards. It includes one standard Gigabit Ethernet port and one 2.5GbE port — which, while useful for small workgroups or home streaming setups, may limit its viability in higher bandwidth environments.

USB 2.0 ports are also present, mainly for legacy peripherals or UPS/KVM support. There is a single HDMI 2.0 port capable of 4K output at 60Hz, which opens the door for potential direct media playback or GUI access, though its use cases are still undefined in the current firmware.

Notably missing is any PCIe expansion capability — a feature reserved for the Ultra models via their SFF-8654 Gen4 x8 connector. This omission makes sense in the product segmentation strategy, but prospective users who anticipate needing expansion — whether for faster networking, GPU acceleration, or additional storage — will need to look to the higher-tier models.

Still, for what it is, the D6 offers a complete and well-assembled foundation, and the early signs in terms of temperature control, acoustics, and system stability are encouraging.

Zettlab D6 – Software and Services Review

Before we get into exactly what this system can and cannot do, I need to highlight that the D6 prototype I received does not feel like a finished product yet. I have been monitoring this brand and it’s solution for 6 months (even having a different prototype sent to me as fast back as October 2024) and although I have seen ALOT of changes and improvements in the GUI, the software features, storage optimization, performance and consistency – the Zettlab OS does not feel finished yet.

The hardware feels robust and ready to go! But the software still feels like development is ongoing. This makes a lot of sense in the context of crowdfunding a product and I can appreciate that the brand needs real world feedback and development time. However, that does mean that reviewing the software is tough! As I have to balance what the system does TODAY against what the brand says it will be able to do TOMORROW. So keep that in mind as you read this software review.

One of the standout ambitions behind the Zettlab D6 is its integration of localized artificial intelligence. While most consumer NAS systems limit themselves to media management and basic data organization, Zettlab’s vision goes much further: a platform that applies real-time AI processing to images, audio, video, and documents — all without relying on cloud services.

This pitch is especially appealing in a world where data privacy is an increasing concern. In practice, the D6 delivers some truly novel capabilities, although it’s important to remember this software is still in active development. Not all features are complete, and the performance and behavior of certain AI tools are still subject to change.

The D6 runs on ZettOS, a proprietary operating system built around containerized apps, lightweight AI inference engines, and standard NAS functions.

ZettOS resembles a more refined version of a web-based Linux desktop, complete with user management, storage setup, application deployment, network configuration, and protocol support (SMB, FTP, WebDAV, etc.).

While the core system functions well, it’s the AI layer where things begin to differentiate the D6. ZettOS offers native support for facial recognition, object detection, OCR, and natural language search — all running directly on the device.

Image tagging, semantic queries like “men standing near trees,” and auto-transcription of audio and video files are examples of what’s already functional today.

One of the more impressive capabilities is real-time media classification. Photos added to the NAS — whether uploaded manually, copied via SD card, or moved over the network — are immediately scanned and indexed. Users can search for visual content by descriptive terms rather than filenames. For example, searching for “cats,” “dice,” or “flowers” surfaces content accurately, regardless of how files were named.

This indexing happens locally and often within seconds of upload, leveraging the RK3588’s integrated NPU. Similarly, when audio or video files are uploaded to designated folders, the system automatically transcribes them using onboard tools. The Clip application handles this, and within moments, transcripts appear with speaker identification and time-linked navigation.

The AI features are tied to a broader system of prompts and shortcuts. A dedicated “AI Chat” interface allows users to type commands like “increase fan speed,” “reboot the system,” or “create a new user.” Many of these commands work today and are executed promptly, showing promise for a more natural interface between user and NAS.

While it’s far from full AI orchestration, the groundwork is clearly there. The system also supports basic automation — for example, auto-import tasks triggered when an SD card is inserted can move, rename, or transcode files and even safely eject the card afterward. These are practical, time-saving tools that go beyond novelty.

ZettOS includes a growing App Center with one-click deployments of popular open-source tools like Jellyfin, Nextcloud, Image, and Home Assistant. Apps are containerized and installed quickly, with port forwarding handled automatically. While this is becoming common among modern NAS platforms, ZettOS executes it cleanly and without needing user intervention.

Some proprietary applications, such as Creator Studio and virtual machine hosting, are marked “coming soon” in the current builds, with roadmap estimates targeting mid-2025. It’s clear that while ZettOS is already usable, it is also a work in progress.

Notably, the AI document analysis and generative chat features currently require the desktop companion app for full functionality on the D6 model, with a locally downloaded AI model (1 click from the client software install, but still, this could be clearer in the online documentation!).

While the basic indexing and media analysis are handled on-device, more advanced interactions such as querying large document sets or generating context-specific answers appear to rely on the Windows or Mac client.

This distinction is critical: the more powerful Ultra models promise full offline AI, while the standard D6 offloads some computation. Transparency about how much AI is truly local versus partially remote will be key for user trust going forward.

Zettlab D6 Prototype Review – Conclusion and Verdict

Overall, the Zettlab D6 offers one of the most advanced AI software stacks seen in a consumer NAS at this level — even in its unfinished state. With real-time image recognition, semantic search, speech-to-text transcription, natural language controls, and media classification, it exceeds what many larger NAS brands have offered to date. There are still rough edges, missing features, and questions about long-term support, but what’s already functional is impressive. For early adopters and tinkerers, this is a promising glimpse of what local AI NAS could become. For others, it may be worth waiting to see how ZettOS matures over the next development cycle.

Important – This review is based on a pre-release prototype of the Zettlab D6, supplied ahead of the official crowdfunding campaign. While the unit demonstrated strong hardware build quality and successfully showcased many of the local AI features promoted by the brand, it’s important to note that this version may not fully reflect the final product that backers will receive. As development continues, both software and functionality are expected to evolve. A follow-up video will be produced closer to the end of the crowdfunding campaign to reassess the system, evaluate any updates, and determine how closely the final release aligns with early expectations.

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Why NAS Drives are NOT for Everyone – 5 Reasons You Do Not Need a NAS

Network Attached Storage (NAS) is often promoted as the ideal solution for data management, offering advantages like local control, redundancy, and flexible access. However, while NAS has many benefits, it is not the right choice for everyone. Depending on individual needs, alternatives such as cloud storage or Direct-Attached Storage (DAS) may provide a simpler, more cost-effective, or more practical solution. This article explores five key reasons why a NAS may not be the best choice for certain users. From the convenience of cloud storage to the high upfront costs of NAS devices, we will break down the potential drawbacks and alternative solutions that might better fit specific use cases. Understanding these factors can help users make an informed decision about their storage needs.

Disclaimer – NAS devices provide a robust and flexible storage solution, but they are not necessary for all users. Those with simpler storage needs—such as single-device backups or direct file access—may find that a Direct-Attached Storage (DAS) device better meets their requirements. External hard drives and SSDs offer straightforward, cost-effective alternatives without the complexity of network management. Cloud storage remains a convenient and accessible option, particularly for those who need remote access without dealing with hardware setup. While it comes with long-term costs and data security considerations, cloud services offer ease of use and automation that may be preferable for some users. Additionally, a hybrid NAS and cloud approach can provide the best of both worlds, allowing users to maintain local storage while leveraging cloud redundancy for added backup security and accessibility. Choosing the right storage solution depends on specific use cases, technical expertise, and long-term data management goals.

1. The Convenience of Cloud Storage is Unquestionable

One of the primary reasons a NAS may not be necessary for some users is the convenience of cloud storage. Services like Google Drive, Dropbox, OneDrive, and iCloud offer instant accessibility, making it easy to store, sync, and retrieve files from any internet-connected device. Unlike NAS, which requires setup, configuration, and ongoing maintenance, cloud storage is designed to be user-friendly. Users can simply sign up, upload files, and access them from anywhere, without needing to worry about network configurations, remote access tunnels, or firewall adjustments. This simplicity makes cloud storage an appealing option for users who want a hassle-free experience without managing hardware.

Beyond ease of use, cloud services are also optimized for redundancy and failover protection, ensuring that data remains safe and accessible even if hardware failures occur on the provider’s end. Large-scale cloud platforms have multiple data centers worldwide, meaning that even in the event of a regional outage, files remain available from alternative locations. Cloud storage is particularly advantageous for those who travel frequently or work remotely, as accessing a NAS over the internet can introduce latency, security challenges, and connectivity issues. For example, transferring large files to a NAS while on the road may require complex VPN configurations and reliable internet access, whereas cloud storage offers seamless access without any additional setup. This makes cloud storage a more practical choice for users who prioritize mobility and convenience over local ownership.

Example of the complexity of a NAS to Cloud Sync:

2. Simplicity of Direct-Attached Storage (DAS) for Single Users vs NAS is Indisputable

For individuals who primarily work from a single device, a NAS may be unnecessary and even overcomplicated. A Direct-Attached Storage (DAS) device—such as an external hard drive, SSD, or even a RAID-configured DAS—provides a more straightforward and often more cost-effective solution. Unlike NAS, which requires a network connection and some level of system administration, a DAS device simply connects directly to a computer via USB, Thunderbolt, or eSATA and is ready to use instantly. This plug-and-play functionality makes DAS ideal for users who just need additional storage or a backup solution without any complexity.

DAS also offers direct hardware integration with professional applications, making it a preferred choice for photographers, video editors, and graphic designers. Many creative professionals rely on high-speed DAS devices because they provide lower latency and faster data transfer rates than a network-based NAS. A high-speed Thunderbolt RAID array, for example, can provide much faster read and write speeds than a NAS connected via 1GbE or even 2.5GbE networking. Additionally, for users who need to transfer large amounts of data quickly, physically shipping an external drive remains a viable and often faster option than uploading terabytes of data to a NAS remotely. If a user primarily works from one computer and does not need network-based file access, a DAS setup can be a much more practical and efficient choice than investing in a NAS.

3. Cloud and DAS = Lower Power Consumption and Long-Term Operating Costs

One often overlooked factor when deciding on a NAS is its ongoing power consumption. Unlike DAS devices, which only require power when in use, a NAS typically runs 24/7, constantly consuming electricity even when idle. While modern NAS devices offer power-saving features such as scheduled shutdowns and sleep modes, they still draw more power than a simple external hard drive. This can be a concern for users in areas with high electricity costs, those who live in mobile homes, or people who rely on solar or backup power sources. Over the course of a year, the difference in power consumption between a NAS and a simple external drive can add up, making it an important consideration for budget-conscious users.

Example of Power Consumption of a 6-Bay NAS with 6x HDD and 2x SSD (Intel N305 i3 CPU):

Beyond electricity costs, there’s also the issue of long-term maintenance. Hard drives inside a NAS are designed to run continuously, meaning they wear out faster compared to drives that are powered on only when needed. Each mechanical hard drive has a limited number of operational hours before failure becomes more likely. In contrast, an external hard drive that is only used periodically for backups can last much longer. Additionally, NAS devices require ongoing software updates, security patches, and general monitoring to function optimally. For users who do not want to deal with the responsibility of maintaining a dedicated storage system, a NAS may be more trouble than it’s worth, especially when compared to simpler alternatives like external hard drives or cloud storage.

Example of Noise Level of a 4x HDD and 2x SSD NAS (Lincstation S1 NAS):

4. Cloud Mean Avoiding Vendor Lock-in and Data Migration Challenges

NAS systems operate as full-fledged computing devices with their own proprietary operating systems, which can make migrating data between different NAS brands or platforms a challenge. For example, if a user sets up a Synology NAS and later wants to switch to a QNAP or another brand, they may encounter significant roadblocks in moving their existing file structures, metadata, and system settings. Unlike traditional external storage solutions that use universal formats like NTFS, exFAT, or APFS, NAS devices often use specialized file systems optimized for their specific ecosystems. This means that simply swapping out drives between NAS brands is not always possible without extensive data transfers and reconfigurations.

In contrast, DAS devices and cloud storage solutions provide more flexibility for users who may need to migrate their data in the future. A USB hard drive can be connected to any computer with minimal effort, and cloud services typically offer built-in tools to migrate data between providers. Additionally, NAS users often rely on specific applications and configurations tied to their system, making it more difficult to transition to a different storage solution later. While there are workarounds—such as using standard file transfer protocols like SMB or FTP—these solutions require extra time and effort, which may not be practical for users who need a simple and easily portable storage option. For those who value long-term flexibility, avoiding NAS vendor lock-in may be a more prudent choice.

5. NAS = High Initial Costs and Uncertain Return on Investment for Some

Perhaps the most significant reason some users should avoid a NAS is the cost. Compared to external storage solutions, NAS devices are considerably more expensive, especially when factoring in the price of both the NAS enclosure and the hard drives required to populate it. Even budget NAS devices start at a few hundred dollars, and higher-end models with advanced features can cost well over $1,000, not including the drives. When comparing cost per terabyte, NAS drives are generally more expensive than external USB drives due to their enhanced durability and NAS-optimized firmware. For users who do not need advanced features like RAID redundancy, Docker applications, or network-wide accessibility, the extra cost of a NAS may not be justifiable.

Beyond the initial purchase, users must also consider the long-term costs associated with NAS ownership. Hard drives wear out over time and will eventually need to be replaced, adding to the overall expense. Additionally, while NAS devices provide a wide range of powerful features, many users may not fully utilize them. If someone only needs basic storage and backup capabilities, a NAS might be an unnecessary investment, and they may be better off with a simple DAS setup or cloud-based storage solution. Before committing to a NAS, potential buyers should carefully evaluate whether they will take full advantage of its features or if a more affordable and straightforward alternative would better suit their needs.

While NAS devices offer powerful features and advantages for data management, they are not always the most practical option. For users who prioritize convenience, cloud storage may be a better fit. Those who work primarily from a single device may find a Direct-Attached Storage (DAS) setup more efficient. Additionally, factors such as power consumption, vendor lock-in, and long-term costs should all be carefully considered before investing in a NAS. Ultimately, the best storage solution depends on individual requirements. A NAS can be a great investment for those who need centralized, multi-user access and advanced functionality, but it is not the only option. Evaluating storage needs based on cost, performance, and ease of use will help determine whether a NAS is the right fit or if an alternative solution would be more suitable.

Recommended NAS Solutions Based on Data Storage Needs:

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You NEED A NAS Drive – And Here Is Why

In today’s digital world, data storage plays a crucial role in both personal and professional environments. Many individuals and businesses rely on cloud storage for convenience, but it’s not always the best option. While cloud services provide accessibility and automation, they come with limitations, including long-term costs, security concerns, and restrictions on data ownership. For those who value control over their files, a Network Attached Storage (NAS) device offers a compelling alternative. This article explores five key reasons why a NAS can be a better choice for data management compared to cloud storage. From total data ownership to long-term cost savings, we examine how NAS devices provide more flexibility, security, and performance for those looking to store and access their data efficiently.

Disclaimer!

While NAS devices offer significant advantages in terms of data ownership, security, and long-term cost efficiency, they are not the ideal solution for everyone. Users with simpler storage needs, such as those requiring direct, high-speed access to a single device, may find that a Direct Attached Storage (DAS) setup better suits their requirements without the additional complexity of network management.

Additionally, cloud storage remains a convenient and accessible option, particularly for those who need a quick and automated solution without the upfront cost of dedicated hardware. Cloud services provide seamless access from anywhere and can be a great short-term or supplementary storage method. For many users, a hybrid approach—combining NAS with cloud storage—strikes the right balance. This setup allows users to enjoy the accessibility of the cloud while benefiting from the control and security of a NAS, particularly when implementing structured backup routines. Each storage solution has its strengths, and the best choice depends on individual needs and use cases.

1. A NAS Server = Total Data Ownership

Owning a NAS (Network Attached Storage) means complete control over your data, something that cloud storage simply cannot provide. When you use cloud services, you are essentially handing over your files to a third party, entrusting them to manage and store your data. While this is convenient, it also introduces several risks, including data breaches, sudden policy changes, or service discontinuations. Many cloud providers state in their terms of service that they reserve the right to scan, analyze, or even remove content that violates their policies, which can be vague and subject to interpretation. A NAS eliminates this uncertainty by giving you full ownership—your data resides physically in your home or office, and no one but you determines what happens to it.

Beyond ownership, NAS systems offer better control over data distribution. You decide where backups are stored, how often they occur, and who has access. This is especially important for photographers, videographers, and businesses that require compliance with strict data protection regulations, such as GDPR or HIPAA. For example, a small business handling client records can store sensitive customer data on an encrypted NAS, ensuring compliance without relying on cloud providers that may store files in different jurisdictions. Another key advantage is preventing data from being used to train AI models or sold to advertisers—something that is an increasing concern with major tech companies. Owning a NAS ensures that your data is truly private, unmonitored, and secure from external influences.

2. A NAS Means Bespoke Security Settings

Cloud providers implement security measures, but these are designed for general use, meaning they cannot be customized to fit specific needs. While cloud services offer encryption, user authentication, and basic access controls, they often lack advanced security features that enterprises or tech-savvy users require. With a NAS, you can tailor security settings at a granular level, ensuring that only the right people can access specific files and folders. You can configure user authentication with two-factor authentication (2FA), enforce strict password policies, and even limit access based on IP addresses or device types. For example, you can allow a work computer to access files but block access from unknown mobile devices, significantly reducing the risk of unauthorized entry.

Additionally, NAS security extends beyond simple user access. If you integrate a NAS with a managed switch and firewall, you can create network segmentation, restricting access to only certain parts of your infrastructure. Air-gapping—a security practice that physically or digitally isolates a device from external networks—can be used to create periods where the NAS is completely inaccessible, making data leaks or cyberattacks virtually impossible. Scheduled access times add another layer of protection, ensuring that even if credentials are compromised, unauthorized users cannot gain entry outside of designated periods. NAS devices also provide real-time security alerts that can be customized to notify administrators about unusual activity, such as multiple failed login attempts, unauthorized file transfers, or new device connections. This kind of tailored security is simply not possible with generic cloud services, making a NAS the superior choice for those who prioritize privacy and control.

3. A NAS Can Mean True Deletion When Needed

Deleting data from cloud storage is not as straightforward as it seems. Most cloud services use a soft-delete approach, meaning that when you delete a file, it isn’t immediately erased. Instead, it is moved to a trash folder where it remains for 30 to 90 days before being automatically purged. Even after this period, many cloud providers create multiple copies of your files across their servers for redundancy, making it difficult to ensure that your data is completely gone. In some cases, metadata or indexed portions of your files may still exist within the provider’s infrastructure, and depending on the terms of service, your data may even be retained for analytics or AI training.

With a NAS, true deletion is possible because you have full control over your data. When you delete a file, it is removed from your storage pool, and if you want absolute certainty, you can use secure erasure tools to overwrite the data multiple times, making recovery impossible. Many NAS systems include built-in data-wiping features that follow Department of Defense (DoD) 5220.22-M standards, ensuring complete removal of sensitive information. For highly sensitive data, you can physically destroy storage drives—a practice commonly used by corporations and government agencies. Some companies specialize in secure drive destruction, ensuring that data cannot be recovered by any means. For personal use, simply reformatting or physically damaging a hard drive provides an additional layer of security. This level of control over data deletion is something that cloud storage cannot match, making NAS the ideal choice for those who need true data removal capabilities.

4. NAS vs Cloud = Cost Savings in the Long Term

At first glance, cloud storage seems like an affordable option. Many services offer free storage up to a certain limit, and paid plans start as low as a few dollars per month. However, the long-term costs can quickly add up. Subscription-based storage models require continuous payments, meaning that over several years, you could spend far more on cloud storage than you would on a one-time NAS purchase. Additionally, most cloud providers offer tiered pricing, meaning that as your storage needs grow, your monthly fees increase significantly. Businesses and content creators with terabytes of data often find themselves paying hundreds of dollars annually just to store their files.

Another hidden cost of cloud storage is data retrieval, known as egress fees. Many cloud providers limit how much data you can download within a given timeframe, and if you exceed this limit, you are charged extra. For example, Amazon S3 and Google Cloud charge egress fees that can quickly add up when transferring large amounts of data. In contrast, a NAS has no such limitations—once you own the device, you can access and transfer files as much as you want without paying additional fees.

If you plan to store data for more than three to five years, a NAS will almost always be the more cost-effective choice. Even budget NAS devices with included hard drives, such as the $199 models with 4TB of storage, offer better long-term value than many cloud subscriptions. Investing in a NAS early ensures that you avoid rising costs while maintaining full control over your data.

5. A NAS (Almost Always) Means Performance and Speed Benefits

Cloud storage is convenient for remote access, but it is heavily dependent on internet speeds, network congestion, and provider limitations. Upload and download speeds are constrained by your ISP, meaning that large file transfers can take hours or even days. Most cloud services also impose bandwidth limits or throttling policies, reducing transfer speeds during peak hours. For users who need fast access to large files—such as video editors, photographers, or IT professionals—cloud performance is simply not sufficient.

A NAS, on the other hand, offers significantly better performance, particularly for local access. Even basic NAS systems with gigabit Ethernet can achieve speeds of 100 MB/s (megabytes per second), far exceeding most cloud transfer rates. Higher-end models support 2.5GbE, 5GbE, or even 10GbE connections, allowing speeds of up to 1,000 MB/s—nearly 100 times faster than standard cloud storage. For example, a team of video editors working with 4K footage can stream and edit files directly from a NAS without any noticeable lag, something that would be impossible with cloud storage due to latency issues. NAS devices also support SSD caching, RAID configurations for redundancy, and multiple simultaneous users, ensuring high performance even under heavy workloads.

Another advantage of NAS is its ability to function as a local media server. Unlike cloud services that require constant internet access and may throttle streaming quality, a NAS can store and stream high-resolution content locally without buffering. This makes it ideal for home theaters, Plex servers, and shared family storage. Businesses can also benefit from NAS performance by hosting internal file-sharing platforms, reducing reliance on slow or expensive cloud-based collaboration tools. In short, NAS outperforms cloud storage in every aspect of speed and efficiency, making it the best choice for users who demand high-speed, reliable access to their files.

While cloud storage remains a popular choice, it is not without drawbacks. Issues such as long-term expenses, limited security customization, and potential data retention concerns make it less than ideal for users who require full control over their files. A NAS, by contrast, provides a dedicated, high-performance storage solution that allows users to take ownership of their data, manage access securely, and benefit from predictable costs over time. Ultimately, whether a NAS or cloud storage is the right choice depends on individual needs. Those looking for convenience and automatic backups may still find value in cloud services, while users who prioritize security, cost efficiency, and local performance will likely benefit from investing in a NAS. Understanding these differences can help individuals and businesses make informed decisions about their data storage strategy.

Recommended NAS Solutions Based on Data Storage Needs:

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This description contains links to Amazon. These links will take you to some of the products mentioned in today's content. As an Amazon Associate, I earn from qualifying purchases. Visit the NASCompares Deal Finder to find the best place to buy this device in your region, based on Service, Support and Reputation - Just Search for your NAS Drive in the Box Below

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If you like this service, please consider supporting us. We use affiliate links on the blog allowing NAScompares information and advice service to be free of charge to you.Anything you purchase on the day you click on our links will generate a small commission which isused to run the website. Here is a link for Amazon and B&H.You can also get me a Ko-fi or old school Paypal. Thanks!To find out more about how to support this advice service check HEREIf you need to fix or configure a NAS, check Fiver Have you thought about helping others with your knowledge? Find Instructions Here  

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