UniFi UNAS Pro 4 vs Pro vs Pro 8 NAS – WHICH ONE SHOULD YOU BUY?

Within UniFi, the UNAS line is positioned as a straightforward, storage focused, turnkey NAS platform that fits into the same single pane management style as the rest of the ecosystem, prioritizing file storage, sharing, snapshots, and backup workflows over broader server style expandability. In this 3 way comparison, the UNAS Pro (7 bay, Nov 2024), UNAS Pro 8 (8 bay, Nov 2025), and UNAS Pro 4 (4 bay, Feb 2026) look similar on the surface, but they target different deployment constraints and ceiling limits in rack depth, storage scalability, cache options, memory headroom, network redundancy, and power design. Two of the units (Pro 4 and Pro 8) add M.2 NVMe cache support and higher availability 10GbE networking than the original Pro, while the Pro 8 also pushes furthest on RAM capacity and physical redundancy expectations for a rack install.

	UNAS Pro (7 Bay, $499)	UNAS Pro 4 (4 Bay, $499)	UNAS Pro 8 (8 Bay, $799)

At the same time, the lineup is notable for pricing that stays lower than many established rackmount NAS competitors at comparable connectivity, with both the UNAS Pro and UNAS Pro 4 landing at $499, and the UNAS Pro 8 stepping up to $799 for more bays, more memory, and more network paths. The practical decision usually comes down to whether the priority is maximum bays at the lowest buy in, a tighter 1U footprint with newer cache and dual 10GbE links, or a higher ceiling platform with the strongest long term headroom in bays, RAM, and connectivity for users who expect growth rather than a fixed storage target.

IMPORTANT – It is worth highlighting that all three UNAS solutions include the same software and updates in the UniFi Drive and NAS OS services. Alongside the client tools (eg Identity Endpoint and File/Folder services remotely) and can be easily integrated into an existing Ubiquiti/UniFi network landscape. HOWEVER crucially, it is not ‘mandotory’ – you can run any of the UNAS Pro systems completely ‘offline’ (i.e LAN only) and there is no need to already have an existing UniFi network (existing 3rd party network landscapes work perfectly fine) and you also do not need to use/register any kind of UI.com/Ubiquiti account to setup the device.

UniFi UNAS Pro 4 vs Pro vs Pro 8 NAS – Design

At a chassis level, the lineup splits into 2U and 1U designs, and that difference shapes how each unit fits into smaller racks and shallow cabinets.

The UNAS Pro is the shortest depth of the 3, while the UNAS Pro 4 and UNAS Pro 8 extend further back, which matters once you account for cable bend radius and rear clearance.

For compact wall racks and shorter cabinets, the older UNAS Pro tends to be easier to accommodate purely on physical depth, even before you consider anything about performance or features.

UNAS PRO 8 480MM DEPTH	UNAS PRO 325MM DEPTH
UNAS PRO 4 400MM DEPTH	DON’T FORGET RAILS!!!

The UNAS Pro also stands apart on the front panel experience, because it includes a 1.3″ touchscreen that can surface live status information without needing to log into the UI. That is not present on the UNAS Pro 4 or UNAS Pro 8, which lean into a more conventional rack appliance faceplate focused on bay access and basic indicators. In day to day use, the screen is mainly a convenience feature for quick checks and basic local interaction, rather than something that changes how the system is deployed.

Another practical design difference is port placement philosophy. The UNAS Pro places its primary network connectivity on the front, while the UNAS Pro 4 and UNAS Pro 8 move connectivity to the rear, matching the typical layout most rackmount NAS systems follow. Front facing ports can reduce visible cabling in front of a rack and shorten patch runs in some UniFi heavy layouts, but rear mounted ports are generally easier to route cleanly in deeper cabinets with rear cable management.

Power implementation also affects the physical serviceability profile of each unit. The UNAS Pro 8 uses hot swappable power modules, which changes how you handle failure or planned maintenance compared with the fixed internal power approach used by the UNAS Pro and UNAS Pro 4.

All 3 use a steel enclosure and ship as purpose built rack devices rather than desktop conversions, but the UNAS Pro 8 is the one that most closely matches what many buyers expect from a higher end rack appliance in terms of field replacement for key physical components.

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UniFi UNAS Pro vs Pro 4 vs Pro 8 NAS – Storage

The most obvious storage difference is the bay count and what that does to capacity planning. The UNAS Pro provides 7 front accessible 2.5 inch or 3.5 inch bays in a 2U chassis, the UNAS Pro 4 offers 4 bays in a 1U chassis, and the UNAS Pro 8 increases that to 8 bays in 2U. If you expect to grow into larger pools over time, the 7 bay and 8 bay models give more headroom before you are forced into drive replacements, a second NAS, or a new storage tier. With no official expansion chassis support referenced here, the physical bay count is effectively the ceiling for each system.

The UNAS Pro 4 and UNAS Pro 8 add 2 M.2 NVMe slots intended for SSD caching, while the UNAS Pro does not include NVMe slots. This changes how you can approach mixed workloads, because cache can reduce latency for repeated small file access and help smooth bursts of writes, depending on how the platform applies caching. It does not change the underlying reality that the main capacity tier is still the SATA bay set, but it gives the Pro 4 and Pro 8 a path to improve responsiveness for specific access patterns without committing to full SSD storage across all bays.

RAID flexibility also varies, not in the list of RAID levels available, but in how storage can be organized. All 3 units support RAID 5, RAID 6, and RAID 10, but the UNAS Pro 4 is listed as supporting a single RAID group, while the UNAS Pro and UNAS Pro 8 are listed with multiple RAID groups. In practice, the single group limitation matters if you prefer separating workloads or isolating different retention policies into distinct pools, rather than placing everything into 1 volume. On the larger models, multiple groups give more options for structuring storage around different priorities, such as performance versus redundancy, or shared storage versus dedicated project space.

Operational features tied to storage protection are also not identical across the range. Hot spare support is listed on the UNAS Pro and UNAS Pro 8, but not on the UNAS Pro 4, which affects how you plan for unattended recovery after a drive failure. All 3 support snapshots, file encryption, share links, Time Machine backup, and cloud and network backup targets, which makes baseline data protection and recovery workflows broadly consistent regardless of bay count.

The larger differentiation is therefore less about whether core protection features exist and more about how much flexibility you have in pool layout and drive management within the limits of each chassis.

All 3 systems are built around a quad core ARM Cortex A57 platform, but they are not configured identically. The UNAS Pro runs the Cortex A57 at 1.7 GHz, while the UNAS Pro 4 and UNAS Pro 8 are listed at 2.0 GHz. In day to day use, this tends to show up less as a dramatic jump in peak throughput and more as extra headroom when the system is handling several background jobs at once, such as indexing, snapshots, and multi user access, while still servicing file activity. The architecture choice is aligned with lower draw compared with typical x86 NAS hardware, but it also sets a ceiling on heavier compute workloads that some buyers associate with higher end NAS platforms.Memory is where the split is clearer. The UNAS Pro and UNAS Pro 4 ship with 8 GB, while the UNAS Pro 8 steps up to 16 GB. The practical impact is less about basic file sharing and more about how much concurrent activity the system can absorb before responsiveness drops, particularly when you add more users, larger file operations, more snapshot activity, and cache related behavior on models that support it. None of these systems are positioned as memory expandable platforms in the provided specifications, so the installed capacity is effectively the long term limit.

Power delivery and serviceability differ meaningfully between the range. The UNAS Pro and UNAS Pro 4 use internal AC to DC power supplies with an additional USP RPS DC input for redundancy, and their overall platform power limits are lower, matching their smaller scale.

The UNAS Pro 8 uses hot swappable power modules and is designed to support more demanding configurations, reflected in the higher maximum power consumption and the larger drive power budget. This does not automatically translate into higher idle power, but it does indicate how much overhead the chassis is designed to tolerate when fully populated and under sustained activity.

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UniFi UNAS Pro 4 vs Pro vs Pro 8 NAS – Ports and Connections

Across the 3 systems, the shared theme is 10 GbE as the primary path for file access, but the implementation differs. The UNAS Pro provides a single 10G SFP+ port plus a 1 GbE RJ45 port, which typically ends up used either for management traffic or as a slower access fallback. The UNAS Pro 4 shifts to a dual 10G SFP+ layout, giving more flexibility for link aggregation or failover planning, even if the practical benefit depends on the storage configuration and client support. The UNAS Pro 8 goes further with 2x 10G SFP+ and adds a 10 GbE RJ45 port that supports multi speed negotiation, which makes it easier to drop into networks that are already built around copper 10 GbE.

Port placement is also part of the decision, because the UNAS Pro uses front mounted networking, while the UNAS Pro 4 and UNAS Pro 8 keep network connections on the rear. Front mounted ports can simplify short patch runs in racks that are set up around front facing switching, while rear mounted ports follow the more common rack NAS convention and can be cleaner in racks that route cabling at the back. None of the 3 is positioned as a platform for network expansion cards, so what you buy is the long term connectivity ceiling.

In day to day operation, the multi port models are mainly about resiliency and network design options rather than guaranteeing linear scaling for a single user. You can plan for redundancy across switches, use bonding where your environment supports it, or segment traffic patterns in a more controlled way.

The UNAS Pro 8 is also the only model here with 10 GbE available on both SFP+ and RJ45 in the base hardware, which reduces the need for media converters or additional transceiver planning if your network is not SFP+ centric.

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UniFi UNAS Pro 4 vs Pro 8 vs Pro NAS – Price and Value

At list pricing, the UNAS Pro and UNAS Pro 4 sit at the same $499, but they are selling different priorities. The UNAS Pro concentrates its value in raw bay count and a shorter 2U chassis, trading away NVMe cache support and additional 10 GbE links to keep the platform simple. The UNAS Pro 4 is priced the same while reducing the HDD bay count and moving to a 1U chassis, but it adds 2x NVMe cache slots and a second 10G SFP+ port, positioning it more as a “small but fast access” rack NAS rather than a capacity first box.

The UNAS Pro 8 steps up to $799 and is priced like a higher tier option, but the spec sheet shows where that uplift is meant to land: more drive bays than either $499 model, NVMe cache capability like the Pro 4, more total 10 GbE ports, and a jump to 16 GB memory. It is also the only one of the 3 with a 10 GbE RJ45 port alongside SFP+, which can reduce friction in mixed copper and fiber environments. If the goal is to keep the same platform longer term, the Pro 8 is the only one here with both the capacity headroom and the memory ceiling to match it.

Using the simplified “price per bay” and “price per element” approach, the headline result is that the Pro 8 looks strongest once you count all the included hardware features rather than only the number of drive bays. The UNAS Pro has the lowest cost per bay because it is a 7 bay system at the same price as the 4 bay model, but the Pro 4 catches up when the NVMe slots and dual 10 GbE are treated as part of the value calculation. The Pro 8 is not the cheapest upfront, but it ends up close to the Pro 4 on cost per bay and is the lowest on cost per element because it stacks more of the “platform” features in one chassis.

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UniFi UNAS Pro 8 vs Pro vs Pro 4 NAS – VERDICT

The UNAS Pro 4, UNAS Pro, and UNAS Pro 8 are close enough in naming to look like simple capacity steps, but they are positioned more like 3 different takes on the same UniFi Drive appliance idea. The UNAS Pro is the most capacity oriented at $499, giving 7 bays in a shorter depth 2U chassis with a built in 1.3 inch touchscreen and a straightforward port layout that suits some front of rack workflows. The UNAS Pro 4 shifts the emphasis away from bay count and toward “newer platform features” at the same $499 price, combining a 1U form factor with 2x 10G SFP+ and 2x NVMe cache slots, at the cost of a deeper chassis and fewer total drive bays. The UNAS Pro 8 is the most complete hardware package in the lineup, adding more bays, NVMe cache, more total 10 GbE connectivity including 10 GbE RJ45, and 16 GB memory, while also being the only one of the 3 to use hot swappable power modules. None of the 3 supports an official expansion shelf approach, so the bay count you buy on day 1 is effectively the long term ceiling unless you plan a separate NAS later.

Choosing between them mostly comes down to which ceiling matters first in your deployment: total bays, total network options, or overall platform headroom. If you want the most bays at $499 and the chassis depth is a priority, the UNAS Pro remains the obvious pick, with the tradeoffs being no NVMe cache path and a simpler network layout than the newer units. If you want the $499 option that aligns most with modern expectations for a small rack NAS, the UNAS Pro 4 has the cleanest argument, because dual 10G and NVMe cache can matter more than extra bays in smaller, faster working sets, even if those cache slots are not usable as standalone storage pools. If you are planning for longer retention cycles, heavier multi user access, or you simply want the most complete feature set in a single chassis, the UNAS Pro 8 is the one that most clearly justifies its higher price, particularly once memory, network flexibility, and the power module design are considered together. The main limitation across the lineup is that the ARM platform and fixed memory approach sets expectations about the long term performance ceiling, but within that constraint, the decision is primarily about how you want the hardware budget divided between capacity, connectivity, and overall platform resources.

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UniFi’s New Travel Router – Pocket-Sized Perfection?

The UniFi Travel Router (UTR) is a compact router intended to extend an existing UniFi network to temporary locations such as hotels, offices, or public WiFi environments, with setup and changes handled through the UniFi Mobile App rather than on device controls. It is designed to bind to a UniFi site so that WiFi settings and Teleport can be applied automatically, allowing a familiar SSID and consistent LAN behavior to follow the user between locations without re adopting devices each time. In practical use, this positions it as a way to place multiple client devices behind a single controlled access point when working from shared networks, while still routing traffic through a VPN path back to a UniFi gateway if desired. The UTR also supports multiple uplink types, including Ethernet, WiFi, and USB tethering through a smartphone, with the ability to set uplink priority once an upstream connection has been established and any captive portal login has been completed via the phone.

UniFi Travel Router – Design

The UTR uses a slim, pocket oriented chassis that matches its intended role as a portable router rather than a fixed installation device. At 95.95 x 65 x 12.5 mm and 89 g, it is sized to carry alongside a phone, power bank, or small toolkit, and the enclosure is polycarbonate rather than metal. The design is built around external power, with no internal battery listed, so it is meant to be powered from common USB sources such as a charger, a power bank, or an available USB port in transit environments. UniFi specifies a USB-C 5V 2A input and up to 5W consumption, which places it within the output range of typical phone chargers and many shared USB outlets, but also means functionality depends on having a reliable external power source.

Physical I O is minimal and focused on travel use, with emphasis on flexibility rather than high port count. The unit provides 2 x GbE RJ45 ports for wired connectivity, typically used as WAN and LAN in practice, enabling either a wired upstream connection or a direct wired link to a local device when needed. It also includes a factory reset button but no other on device controls for configuration changes. In your usage notes, you highlighted that power and USB tethering are separated, allowing the device to stay powered from one source while using a different connection for phone tethering, which avoids the single port limitation found on some compact travel routers. You also noted that this layout suits scenarios where the most convenient power source might be a multi port power bank or a vehicle and public USB outlet, while the tether source remains the phone.

Status feedback is provided through a 1.14 inch display, but it is not a touchscreen, and configuration changes are handled in the UniFi Mobile App. This means the display functions as a quick reference for connection state and operational mode, such as whether it is using a particular uplink or whether Teleport is active, rather than a control surface for changing settings. Internally, WiFi is delivered via 2 embedded antennas with 2 x 2 MIMO and listed maximum transmit power of 13 dBm on both 2.4G and 5G, reflecting a design focused on compactness rather than external antenna placement. Operating limits are specified at -10 to 40 C and 5 to 95% noncondensing humidity, and the unit is listed as NDAA compliant with CE, FCC, and IC certifications, which may matter for users deploying it in regulated or corporate environments.

UniFi Travel Router – Connectivity

The UTR is built around 3 uplink paths: wired Ethernet, wireless WAN, and USB tethering through a smartphone, with the router acting as the single aggregation point for connected client devices. On the wired side, it provides 2 x GbE RJ45 ports, typically used as 1 WAN and 1 LAN, which allows a direct connection to an upstream network where a desk port or wall jack is available, while still offering a wired LAN handoff to a laptop, switch, or other local device. In your review, you also noted the practical advantage of using a wired uplink in temporary deployments, since it avoids relying entirely on building WiFi when you are on site for multiple days and want more predictable upstream stability.

For wireless connectivity, the UTR uses WiFi 5 (802.11ac) across 2.4 GHz and 5 GHz, with 2 x 2 MIMO and support for typical channel widths of 20, 40, and 80 MHz. UniFi lists a maximum 802.11ac data rate of up to 866.7 Mbps at VHT 80 and corresponding 802.11n rates up to 300 Mbps, with legacy 802.11a b g rates also supported for compatibility. In your video, you set expectations around real world throughput, noting that this class of WiFi 5 travel router can feel limited compared with newer WiFi 6 and WiFi 7 options, and you referenced typical observed uplink figures around 150 Mbps in the context of public WiFi and travel scenarios rather than sustained near gigabit speeds.

When connecting through hotel or venue WiFi, captive portal handling is part of the connectivity workflow rather than a separate feature layer. The documented process is to select the upstream network in the UniFi Mobile App, then complete any captive portal login on the phone when prompted, after which the router maintains that authenticated upstream session for the devices behind it. This approach can simplify group use, since multiple devices can share the same authenticated uplink without each device individually interacting with the portal. Connectivity limitations are also defined in the documentation, including lack of support for WPA Enterprise and Passpoint networks, which can affect compatibility in some corporate or managed public environments where those authentication methods are enforced.

UniFi Travel Router – Software & Services

The UTR is designed to integrate into an existing UniFi deployment rather than operate as a standalone router with its own separate management model. Once it is bound to a UniFi site, it can automatically apply WiFi configuration and bring up the same network identity used elsewhere, including expected SSIDs and routing behavior. UniFi positions this as a continuity feature, where location aware policies and routing rules can activate when the router connects at a new site, reducing the amount of manual setup typically needed when moving between venues.

Teleport is the primary UniFi service feature tied to remote access on the UTR. The documented workflow is to complete initial setup, open the UniFi Mobile App, select an available UniFi gateway or console, and then connect using Teleport, creating a private path back to the user’s UniFi network. Alongside Teleport, the UTR lists VPN client support for OpenVPN and WireGuard, allowing VPN enforcement at the router level so connected devices use the same tunnel without requiring separate VPN configuration per device. In your review use case, this was framed around keeping work traffic routed through a known UniFi environment while operating on public or untrusted networks during multi day on site work.

Beyond remote access, the feature set includes core router functions such as firewall and port forwarding, with UniFi management intended to keep LAN behavior consistent across locations. UniFi also describes plug and play pairing with existing UniFi devices, aiming to reduce friction when traveling with preconfigured hardware that is expected to reappear on a familiar network. The documentation also references Auto Link in the context of keeping wireless cameras and devices online automatically, positioning it as a continuity mechanism rather than a separate setup workflow. Operationally, configuration and connection selection are handled through the UniFi Mobile App, including joining upstream WiFi and completing captive portal authentication when present, while enterprise style WiFi authentication methods like WPA Enterprise and Passpoint are listed as unsupported.

UniFi Travel Router – Conclusion

The UniFi Travel Router makes the most sense as a “UniFi extender you can pocket” rather than a generic travel router trying to win on raw specs. The real value is how quickly it drops you back into a familiar environment: bind it to your UniFi setup, carry over the SSID you already use, and your devices can reconnect without you rebuilding a network from scratch each time you land somewhere new. For people who work on site, bounce between coffee shops, or travel with a small team, that convenience adds up fast: one upstream connection, one captive portal login handled through the app, and everything behind the UTR can ride through a secure Teleport tunnel back to your home or office UniFi gateway. Add the practical hardware touches, like two gigabit ports for wired WAN or LAN use, separate USB C power and USB tethering for pulling in a phone connection, and a status display that helps you confirm what is actually happening at a glance, and it is easy to see why this little box is appealing if you already live in the UniFi ecosystem.

The drawbacks are largely about what it is not trying to be. If you want a bleeding edge travel router, the UTR’s WiFi 5 radio and 1 GbE ports will feel conservative next to WiFi 6E or WiFi 7 options, and your top end wireless throughput is simply going to be capped by the platform. The screen is useful, but it is not touch, so you are still leaning on the mobile app for most changes, and there is no internal battery to make it a truly self contained travel companion. Just as importantly, there is no integrated SIM or eSIM, so anyone hoping for an all in one cellular travel router will be looking elsewhere or relying on phone tethering. Taken together, the UniFi Travel Router is a strong niche product: it is not the fastest, but for existing UniFi users who care most about consistency, security, and getting online quickly in messy real world networks, it is a smart and affordable addition to the kit bag.

PROS of the UniFI Travel Router

CONS of the UniFI Travel Router

Deep UniFi ecosystem fit, can bind to an existing UniFi site for a familiar setup on the go Teleport support enables secure remote access back to your UniFi network on public WiFi Can clone an existing SSID so your devices connect without reconfiguring Multi uplink flexibility: WiFi uplink, wired WAN via Ethernet, and USB tethering via smartphone Captive portal logins are handled through the mobile app, simplifying hotel and guest WiFi access Two gigabit ports (WAN and LAN) allow simple wired integration when available Separate USB C power and separate USB tethering is practical for travel scenarios Pocket sized, lightweight design with a helpful status display for quick connection checks

WiFi 5 only, so performance and feature set trail newer WiFi 6 or WiFi 7 travel routers Ethernet is 1 GbE, not 2.5 GbE No internal battery and no built in SIM or eSIM option for standalone cellular use

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Finally, for free advice about your setup, just leave a message in the comments below here at NASCompares.com and we will get back to you. Need Help? Where possible (and where appropriate) please provide as much information about your requirements, as then I can arrange the best answer and solution to your needs. Do not worry about your e-mail address being required, it will NOT be used in a mailing list and will NOT be used in any way other than to respond to your enquiry. [contact-form-7] TRY CHAT Terms and Conditions   Alternatively, why not ask me on the ASK NASCompares forum, by clicking the button below. This is a community hub that serves as a place that I can answer your question, chew the fat, share new release information and even get corrections posted. I will always get around to answering ALL queries, but as a one-man operation, I cannot promise speed! So by sharing your query in the ASK NASCompares section below, you can get a better range of solutions and suggestions, alongside my own.

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