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Minisforum Reveal the New Minisforum N5 Max and N5 Air NAS

Par : Rob Andrews
7 janvier 2026 à 14:52

Minisforum New Minisforum N5 Max and N5 Air NAS Revealed

Minisforum used CES 2026 to extend its 5 bay N5 NAS lineup with 2 new models, the N5 Max and the N5 Air, building on the original N5 and the better known N5 Pro that arrived in Summer 2025. The N5 Pro drew a lot of attention in the small form factor NAS space because it combined a compact 5 drive chassis with higher end AMD mobile silicon, 10 GbE plus 5 GbE networking, and expansion options like OCuLink and a PCIe slot, all in a system that was positioned as approachable for homelab and prosumer storage. That visibility also meant its weaker points were discussed publicly, including practical items such as drive tray security and the use of an external power brick, alongside broader questions about how far the platform could scale without changing the chassis concept.

The CES 2026 announcements read as an attempt to answer those conversations while keeping the core N5 identity intact. The N5 Max is framed as the scale up option, keeping the modular approach but shifting to a higher tier CPU platform, moving to 128 GB of onboard LPDDR5x at 8000 MT/s, expanding internal NVMe options, and switching to a built-in 250 W PSU rather than an external adapter. Minisforum also points to a larger internal thermal solution, which fits the idea of sustaining heavier compute and storage workloads. In parallel, the N5 Air effectively replaces the originally positioned base N5, keeping the same overall layout and I/O concept but aiming at a more cost conscious configuration while still retaining features that defined the series, including multi-gig Ethernet and the same general expansion philosophy.

Category Minisforum N5 Max Minisforum N5 Air
CPU Up to AMD Ryzen AI Max+ 395 (16C/32T) AMD Ryzen 7 255 (8C/16T)
GPU Radeon 8060S (per CPU platform) Radeon 780M
NPU / AI AMD specs: up to 50 TOPS NPU, up to 126 TOPS overall N/A listed
Memory 128 GB LPDDR5x, 256-bit, 8000 MT/s (soldered) 2x DDR5 SO-DIMM (non-ECC)
SATA bays 5x 3.5 inch or 2.5 inch SATA 3.0, up to 30 TB each 5x 3.5 inch or 2.5 inch SATA 3.0, up to 22 TB each
NVMe / U.2 storage 1x M.2 2280 NVMe PCIe 4.0 x4 (capacity listed as “BTB”); 1x M.2 2230/2280 NVMe up to 8 TB PCIe 4.0 x1; 3x M.2 2280 NVMe up to 8 TB each PCIe 4.0 x1 1x M.2 2230/2280/22110 NVMe up to 4 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 NVMe up to 15 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 NVMe up to 15 TB PCIe 4.0 x2
Ethernet 1x 5 GbE (Realtek RTL8126) + 1x 10 GbE (Realtek RTL8127) 1x 5 GbE (Realtek RTL8126) + 1x 10 GbE (Realtek RTL8127)
Rear ports 1x USB4 (Alt DP 2.0), 1x HDMI 2.1 FRL, 1x OCuLink, 1x USB 3.2 Gen 2, 1x USB 2.0 1x USB4 (Alt DP 2.0), 1x HDMI 2.1 FRL, 1x OCuLink, 1x USB 3.2 Gen 2, 1x USB 2.0
Front ports 1x USB4 (Alt DP 2.0), 1x USB 3.2 Gen 2 1x USB4 (Alt DP 2.0), 1x USB 3.2 Gen 2
Internal expansion 1x PCIe x16 slot (PCIe 4.0 x4), 1x USB 3.2 Gen 2 header/port 1x PCIe x16 slot (PCIe 4.0 x4), 1x USB 3.2 Gen 2 header/port
Display notes HDMI 2.1 (4K 60); USB4 Type-C 40 Gbps (Alt DP 2.0); USB4 v2 Type-C 80/120 Gbps (Alt DP 2.0) HDMI up to 8K 60 Hz or 4K 144 Hz; USB4 up to 8K 60 Hz or 4K 144 Hz
Audio Via HDMI and Type-C (Alt DP) Via HDMI and USB4
Power Built-in 250 W PSU; secondary input USB-C PD 140 W (20 V 7 A) DC 5525, 19 V 14.73 A, 280 W
OS listed Linux, Windows 11 MinisCloud OS, Windows 11 Pro, Linux
Size 199 x 202.4 x 252.3 mm 199 x 202 x 252 mm class

Minisforum N5 Max and N5 Air NAS Design & Storage

Across the N5 family, the core physical concept remains a compact 5 bay enclosure designed around 3.5 inch or 2.5 inch SATA drive trays, with the internal platform arranged to keep compute, cooling, and expansion in a relatively dense footprint. The N5 Max keeps that same overall direction but applies several practical design revisions that align with feedback around the earlier models. One visible change is the inclusion of lockable drive trays, addressing a small but commonly noted omission on the original implementation. Minisforum also continues to lean into a modular internal layout, where key components and storage areas are organized around a pull-out or service-friendly mechanism rather than a fully fixed internal frame.

For bulk storage, the N5 Max increases the stated per-bay ceiling to 30 TB per drive across its 5 SATA bays, compared with 22 TB per drive on the N5 Air, N5 Pro, and original N5 specifications. In practical terms, that suggests the Max is being positioned for higher raw capacity targets without changing the 5 bay limit, which keeps it in the same general footprint category as the earlier systems. The N5 Air retains the same 5 bay arrangement and chassis approach as the prior N5 tier, intended to preserve the basic storage layout while shifting the internal bill of materials. The N5 Pro and N5 remain closely aligned on the SATA side, both being specified for 5 bays and the same 22 TB per disk guidance (realistically, this is just a compatibility on HDDs that needs updating on the docs!).

The larger differentiation in this generation is on flash storage density and placement. The N5 Pro and original N5 were defined by a mix of 1 standard M.2 slot and 2 additional high capacity NVMe positions that could be populated via U.2 or longer M.2 formats, allowing up to 15 TB on those larger bays depending on configuration. The N5 Air keeps that general storage strategy, with an M.2 slot plus 2 NVMe positions that can be used as U.2 or longer M.2, including a PCIe 4.0 x2 lane allocation on 1 of those slots. The N5 Max shifts the emphasis toward multiple M.2 placements instead, listing 5 total NVMe positions across 2230 and 2280 formats with PCIe 4.0 lanes spread between x4 and multiple x1 links, and also highlighting that the additional NVMe options are split across both sides of the internal assembly rather than being confined to a single board-facing area.

Minisforum N5 Max and N5 Air Internal Hardware

The main divider between these systems is the compute platform. The N5 Max moves to an AMD Ryzen AI Max+ 395, a 16 core, 32 thread Zen 5 processor with boost up to 5.1 GHz and a default 55 W TDP, with configurable TDP listed at 45 to 120 W. It also integrates Radeon 8060S graphics with 40 compute units and advertises an AI engine capability up to 126 TOPS overall, including up to 50 TOPS on the NPU. By comparison, the N5 Air is specified with an AMD Ryzen 7 255 and Radeon 780M graphics, matching the original N5 tier orientation rather than the higher end Pro or Max positioning. The earlier N5 Pro used an AMD Ryzen AI 9 HX PRO 370, pairing a higher class CPU with Radeon 890M graphics and an NPU rating up to 50 TOPS, while the original N5 stayed in the Ryzen 7 255 class without an NPU listed.

Memory design is also handled differently across the lineup. The N5 Max is specified with 128 GB of LPDDR5x on a 256-bit interface running at 8000 MT/s, and it is described as soldered rather than socketed. That approach fixes capacity at the factory but aligns with the CPU platform’s native support for LPDDR5x-8000 and the 128 GB maximum in AMD’s published specifications. The N5 Pro and original N5 both used 2 DDR5 SO-DIMM slots with a stated ceiling of 96 GB at up to 5600 MT/s, with the key difference being ECC support on the N5 Pro and non-ECC on the N5. The N5 Air follows the same SO-DIMM approach and is specified as non-ECC, aligning it more closely with the original N5 than the N5 Pro.

Power delivery and thermals are presented as a direct area of revision on the N5 Max. It is specified with a built-in 250 W PSU, replacing the external power brick approach used on the N5 Air, N5 Pro, and original N5, which are listed with a DC 5525 19 V 14.73 A 280 W adapter. The N5 Max also adds a secondary power input option via USB-C PD at up to 140 W (20 V 7 A), which is described separately from the internal PSU. On cooling, the N5 Max is described as having a larger heatsink and a scaled-up cooling solution compared with earlier N5 designs, positioned to better match the higher tier CPU platform and the denser NVMe configuration.

Minsforum N5 Max and N5 Air – Ports and Connections

Minisforum keeps a consistent external I/O layout across the N5 family, centered on a mix of high speed USB, direct display output, and storage or expansion links. The N5 Max and N5 Air are both listed with a rear HDMI 2.1 FRL output and USB4 Type C that supports DisplayPort Alt Mode (DP 2.0). Both also retain OCuLink on the rear, which is typically used for attaching external PCIe storage or expansion hardware, plus additional USB ports split between rear and front for local peripherals and service access. Audio output is handled through HDMI and USB-C DisplayPort Alt Mode rather than separate analog jacks.

Networking is positioned as a key feature, but the exact N5 Max configuration depends on which source you reference. The show floor description referenced 2 copper 10 GbE ports, while the specification set provided lists 1x 10 GbE (Realtek RTL8127) and 1x 5 GbE (Realtek RTL8126). The N5 Air matches the broader series approach with 1x 10 GbE (Realtek RTL8127) plus 1x 5 GbE (Realtek RTL8126). For the earlier N5 Pro and N5, the published configuration is also dual ports at 10 GbE plus 5 GbE, with the 10 GbE module listed as Marvell AQtion AQC113 and the 5 GbE module as Realtek RTL8126. Functionally, all of these configurations target multi-gig wired networking for faster client access, direct workstation links, or higher throughput to a switch.

USB4 capability is another differentiator on the N5 Max. The general port list shows USB4 on both the front and rear panels, while the additional connectivity notes for the Max indicate a combination of 2x USB4 v2 Type C ports capable of 80 Gbps or 120 Gbps operation, plus 1x USB4 Type C at 40 Gbps. Alongside USB4, the rear I/O includes USB 3.2 Gen 2 and USB 2.0, and the front adds another USB 3.2 Gen 2. Internally, all the N5 variants listed include a PCIe x16 physical slot wired for PCIe 4.0 x4, plus an internal USB 3.2 Gen 2 header or port, keeping the option open for add-in cards or internal devices without relying only on external ports.

Specification

Minisforum N5 Max

  • LAN: 1x 10 GbE (RTL8127) + 1x 5 GbE (RTL8126) listed, 2x 10 GbE described in show floor discussion

  • Rear: 1x USB4 (Alt DP 2.0), 1x HDMI 2.1 FRL, 1x OCuLink, 1x USB 3.2 Gen 2, 1x USB 2.0

  • Front: 1x USB4 (Alt DP 2.0), 1x USB 3.2 Gen 2

  • Internal: 1x PCIe x16 slot (PCIe 4.0 x4), 1x USB 3.2 Gen 2 header/port

  • Video notes: HDMI 2.1 (4K 60), USB4 Type C 40 Gbps (Alt DP 2.0), USB4 v2 Type C up to 80/120 Gbps (Alt DP 2.0)

Minisforum N5 Air

  • LAN: 1x 10 GbE (RTL8127) + 1x 5 GbE (RTL8126)

  • Rear: 1x USB4 (Alt DP 2.0), 1x HDMI 2.1 FRL, 1x OCuLink, 1x USB 3.2 Gen 2, 1x USB 2.0

  • Front: 1x USB4 (Alt DP 2.0), 1x USB 3.2 Gen 2

  • Internal: 1x PCIe x16 slot (PCIe 4.0 x4), 1x USB 3.2 Gen 2 header/port

  • Video notes: HDMI up to 8K 60 Hz or 4K 144 Hz, USB4 up to 8K 60 Hz or 4K 144 Hz

Minsforum N5 Max vs N5 Air vs N5 Pro NAS

For a straightforward view of where the lineup sits now, I compare the N5 Max, N5 Air, and the earlier N5 Pro side by side because they represent the clearest tiering of the platform. The N5 Max is the top spec option, built around the Ryzen AI Max+ 395 and a fixed 128 GB LPDDR5x-8000 memory configuration, with a built-in 250 W PSU and a storage layout that shifts toward multiple M.2 slots alongside the 5 SATA bays. The N5 Air stays closer to the original N5 concept with a Ryzen 7 255 and 2 DDR5 SO-DIMM slots (non-ECC), while keeping the same general chassis approach, dual multi-gig networking, and the same style of rear I/O and expansion features. The N5 Pro remains the point of reference from Summer 2025 because it pairs a higher tier Ryzen AI 9 HX PRO 370 with 2 DDR5 SO-DIMM slots that support ECC, while retaining the same 5 bay layout and the same overall connectivity concept. Where there are spec conflicts in early CES coverage, such as how many 10 GbE ports the N5 Max ultimately ships with, I treat the provided spec sheet values as the baseline and note the discrepancy separately.

Category Minisforum N5 Max Minisforum N5 Air Minisforum N5 Pro
CPU Up to AMD Ryzen AI Max+ 395 (16C/32T) AMD Ryzen 7 255 (8C/16T) AMD Ryzen AI 9 HX PRO 370 (12C/24T)
GPU Radeon 8060S (per CPU platform) Radeon 780M Radeon 890M
NPU / AI AMD specs: up to 50 TOPS NPU, up to 126 TOPS overall N/A listed Up to 50 TOPS
Memory 128 GB LPDDR5x, 256-bit, 8000 MT/s (soldered) 2x DDR5 SO-DIMM (non-ECC), up to 96 GB, up to 5600 MT/s 2x DDR5 SO-DIMM (ECC supported), up to 96 GB, up to 5600 MT/s
SATA bays 5x 3.5 inch or 2.5 inch, up to 30 TB each 5x 3.5 inch or 2.5 inch, up to 22 TB each 5x 3.5 inch or 2.5 inch, up to 22 TB each
NVMe layout 5x M.2 total: 1x 2280 PCIe 4.0 x4 (capacity listed as “BTB”), 1x 2230/2280 up to 8 TB PCIe 4.0 x1, 3x 2280 up to 8 TB each PCIe 4.0 x1 1x M.2 2230/2280/22110 up to 4 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 up to 15 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 up to 15 TB PCIe 4.0 x2 1x M.2 2230/2280/22110 up to 4 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 up to 15 TB PCIe 4.0 x1; 1x U.2 or M.2 2280/22110 up to 15 TB PCIe 4.0 x2
Ethernet 1x 10 GbE (Realtek RTL8127) + 1x 5 GbE (Realtek RTL8126) listed; show floor discussion referenced 2x 10 GbE 1x 10 GbE (RTL8127) + 1x 5 GbE (RTL8126) 1x 10 GbE (AQC113) + 1x 5 GbE (RTL8126)
Rear ports USB4 (Alt DP 2.0), HDMI 2.1 FRL, OCuLink, USB 3.2 Gen 2, USB 2.0 USB4 (Alt DP 2.0), HDMI 2.1 FRL, OCuLink, USB 3.2 Gen 2, USB 2.0 USB4 (Alt DP 2.0), HDMI 2.1 FRL, OCuLink, USB 3.2 Gen 2, USB 2.0
Front ports USB4 (Alt DP 2.0), USB 3.2 Gen 2 USB4 (Alt DP 2.0), USB 3.2 Gen 2 USB4 (Alt DP 2.0), USB 3.2 Gen 2
Internal expansion PCIe x16 slot (PCIe 4.0 x4), USB 3.2 Gen 2 header/port PCIe x16 slot (PCIe 4.0 x4), USB 3.2 Gen 2 header/port PCIe x16 slot (PCIe 4.0 x4), USB 3.2 Gen 2
Display notes Listed: HDMI 2.1 (4K 60); USB4 Type-C 40 Gbps; USB4 v2 Type-C 80/120 Gbps (Alt DP 2.0) HDMI up to 8K 60 Hz or 4K 144 Hz; USB4 up to 8K 60 Hz or 4K 144 Hz HDMI up to 8K 60 Hz or 4K 144 Hz; USB4 up to 8K 60 Hz or 4K 144 Hz
Power Built-in 250 W PSU; secondary input USB-C PD 140 W (20 V 7 A) DC 5525, 19 V 14.73 A, 280 W DC 5525, 19 V 14.73 A, 280 W
OS listed Linux, Windows 11 MinisCloud OS, Windows 11 Pro, Linux MinisCloud OS, Windows 11 Pro, Linux
Size 199 x 202.4 x 252.3 mm 199 x 202 x 252 mm class 199 x 202 x 252 mm

Minsforum N5 Max and N5 Air – Conclusion

Taken together, the CES 2026 updates split the N5 lineup into clearer tiers than before. The N5 Max is positioned as the upper configuration, combining a higher class CPU platform with a fixed 128 GB memory design and a stronger emphasis on internal NVMe density. The N5 Air sits closer to the original N5 tier in processor class and upgrade flexibility, while keeping the same general chassis direction and expansion approach that defined the earlier models. The practical tradeoffs follow from those choices. The N5 Max concentrates capability into a more integrated build, which can simplify ownership but reduces user control over memory configuration and may increase base cost due to the included LPDDR5x. The N5 Air, N5 Pro, and original N5 retain socketed DDR5 and a more traditional external power arrangement, which can be easier to service or adjust over time. The series overall remains defined by a compact 5 bay layout paired with multi-gig networking and expansion options, with the main differences now centered on compute tier, memory strategy, and how far the platform is intended to scale.

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Minisforum MS-02 Ultra – Early Impressions (Quick Review)

Par : Rob Andrews
5 décembre 2025 à 16:00

The Minisforum MS-02 Ultra – The First 48 Hours

The MS-02 Ultra is the latest workstation from Minisforum, and is currently undergoing testing and review here at NASCompares. However, even after just 48 hours, a whole bunch of interesting design choices and unique qwerks to the arcitecture have emerged that I wanted to cover in the meantime before the full review is complete. The MS-02 Ultra essentially trying to recapture the magic and impact of the incredibly popular MS-01 – and it is attempting this by doubling, trippling and (in some cases) quadrupling the base specifications! The Minisforum MS-02 Ultra arrives as a compact workstation that incorporates a 24-core Intel Core Ultra 9 285HX processor, up to 256 GB of ECC DDR5 memory, internal 350 W power delivery, multiple PCIe expansion options, and a network configuration that includes dual 25GbE, 10GbE, and 2.5GbE. After 48 hours of initial testing, several hardware behaviors have emerged regarding thermals, acoustics, lane distribution, storage configuration, and chassis layout. The following sections outline these early observations, supported by confirmed specifications and hands-on inspection. Stay tuned for the full review, but at least for now, let’s discuss the early highlights and low lights!

Category Specification
CPU Intel Core Ultra 9 285HX, 24C/24T, up to 5.5 GHz
TDP 100 W PL1 and 140 W PL2 (without dGPU)
Memory 4x DDR5 SODIMM, up to 256 GB, ECC supported on 285HX
Storage 2x M.2 PCIe 4.0 x4 on board, 2x M.2 PCIe 3.0 x4 or 4.0 x4 on NIC combo card
Networking 2x 25GbE SFP+, 1x 10GbE RJ45, 1x 2.5GbE RJ45 (vPro)
Wireless WiFi 7 and Bluetooth 5.4
PCIe Slots 1x PCIe 5.0 x16, 1x PCIe 4.0 x16, 1x PCIe 4.0 x4
USB Ports 2x USB4 v2 Type-C, 1x USB4 Type-C, 3x USB-A 10Gbps
Video Output HDMI 2.1 and USB4 DP Alt Mode
Cooling Six heatpipe radiator with PCM and dual-fan chamber
Power Internal 350 W PSU
Dimensions 221.5 x 225 x 97 mm
Weight 3.45 kg

Design of the MS-02 Ultra

The internal design of the MS-02 Ultra differs considerably from earlier Minisforum workstation models and moves away from the layout used in the MS-S1 Max. Although the system retains a slide-out internal frame, the mechanism is less streamlined than the earlier S-series implementation because of how densely the components are arranged.

The interior resembles a compressed micro-tower layout, with the CPU cooling assembly, PSU, PCIe risers, and storage positions layered closely together. A dual-fan ventilation chamber spans the frontal section of the chassis, pulling air through a vented intake and directing it across the primary cooling hardware before forcing it out the rear. This arrangement appears to be a necessary response to the higher thermal output of the Ultra 9 285HX and the inclusion of multiple expansion slots, both of which require more directed airflow than Minisforum’s previous compact workstation designs.

The placement of internal components reflects the limited spatial tolerance of the 4.8-liter enclosure. The internal 350 W PSU occupies a significant section of the lower frame and includes additional power leads intended for low-profile GPU or accelerator cards, something rarely present in machines of this size. The motherboard runs across most of the horizontal section and positions the CPU vapor-chamber cooler toward the middle, while memory slots, NVMe connectors, and the PCIe riser for the combo NIC occupy the remaining pockets of available space.

Because cooling pipes and the ventilation housing sit directly above the CPU-side memory slots, Minisforum added a custom angled heatsink to ensure airflow reaches these modules. This results in a serviceable layout but one that requires more deliberate disassembly, as the compact structure prioritizes component density and thermal guidance over ease of access or open internal spacing.

Early Heat, Noise and Power Use of the MS-02 Ultra

Initial thermal behavior suggests the MS-02 Ultra is managing its compact layout with a cooling strategy built around a dual-fan chamber and a six-heatpipe radiator assisted by phase-change material. During the first setup period, surface temperatures around the chassis varied, with readings near the side ventilation panels and case edges settling around the low-to-mid 40s, while the front intake area measured lower due to the direct airflow path.

Early internal temperature checks, taken before any sustained workloads were applied, showed values consistent with a system that is heavily packed but actively cooled across multiple zones. These readings align with Minisforum’s stated 5000 RPM maximum fan speed and the intention to maintain a 100 W to 140 W CPU power envelope depending on configuration. However, because these measurements were taken during routine preparation rather than stress testing, they provide only a preliminary indication of how the system will manage long-duration loads.

Noise levels during this early period ranged from the low 30s dBA while performing software installations and background operations, with no significant fluctuations unless brief bursts of activity occurred. This behavior suggests fan control may be tied primarily to BIOS-level thermal triggers rather than granular OS-side control, something that will require further testing.

Power consumption during light activity remained in the 50 to 60 W range, which is consistent with a workstation-class system running the Ultra 9 285HX while idle or handling moderate foreground tasks. Removing the dual-25GbE combo card or disabling its slot reduced power draw by roughly 10 to 11 W, highlighting the overhead associated with multi-lane NICs and onboard controllers. These early figures provide a baseline for comparison against heavier benchmarks that will be performed in the full review.

The 25GbE, 10GbE and WiFi 7 Network Card in the MS-02 Ultra

The MS-02 Ultra’s networking implementation is centered around a PCIe-based combo card that integrates dual 25GbE SFP+ ports with two additional M.2 NVMe slots. This card is installed in the PCIe 4.0 x16 position rather than the PCIe 5.0 slot, and it includes a dedicated controller with active cooling and heatsinks that cover both the networking and storage components.

Early inspection shows the card draws a notable amount of power, which corresponds with the increased thermal and electrical requirements of Intel’s E810-class 25GbE controllers. Because of this, Minisforum’s inclusion of dedicated airflow and structural reinforcement around the card is necessary within the constrained 4.8-liter chassis. The presence of this dual-purpose add-in card also means the MS-02 Ultra’s total NVMe count depends on whether the system is configured with the 285HX version, as the lower-tier CPUs remove the combo module entirely.

Beyond the 25GbE configuration, the system includes onboard 10GbE and 2.5GbE RJ45 ports, the latter supported by Intel’s i226-LM with vPro capabilities, allowing BIOS-level remote management. The combination of high-speed SFP+, copper-based multi-gigabit ports, and embedded management options positions the system for lab, server, or virtualization roles rather than conventional desktop use.

Wireless capability is supplied via a WiFi 7 and Bluetooth 5.4 module connected through an M.2 E-Key slot, providing high-throughput wireless performance alongside its wired interfaces. Together, these connectivity features expand the system’s potential use cases, particularly for users planning to deploy virtualized environments or bandwidth-intensive tasks such as shared storage testing or multi-system clustering.

How m.2 Storage on the MS-02 Ultra is Done

The MS-02 Ultra distributes its four NVMe slots across two different locations, with two mounted on the mainboard and two integrated into the dual-25GbE combo card. The pair located on the system board are positioned on the underside, near the memory and CPU assembly, and both are listed as PCIe 4.0 x4 according to Minisforum’s documentation.

Early inspection suggests that one of these may have a PCIe 5.0 lane path available at the hardware level, though software restrictions or lane bifurcation rules may currently limit it to Gen 4 behavior. This is an area that requires further validation using a Gen 5 SSD, as the lane layout on the 285HX platform allows various allocation possibilities depending on how Minisforum assigned bandwidth between CPU, chipset, and expansion slots. These internal slots have modest vertical clearance, meaning SSDs with tall heatsinks cannot be used without removing or replacing the pre-fitted cooling structures.

The remaining two NVMe slots reside on the network combo card alongside the 25GbE controllers. These operate under different bandwidth rules depending on SSD capacity: drives up to 4 TB operate at PCIe 4.0 x4, while larger 8 TB models shift down to PCIe 3.0 x4. This behavior appears to be related to the card’s onboard controller and how its internal bifurcation splits resources between the NIC and storage lanes.

Physical space is also restricted on the card, requiring low-profile SSDs in certain positions to avoid obstruction of the cooling shroud and airflow channel. Minisforum includes an additional heatsink in the package for users installing their own drives, but using SSDs with taller factory heatsinks may be impractical. Altogether, storage layout on the MS-02 Ultra is functional and high-capacity, but with lane behaviors and physical constraints that require attention during configuration.

Memory on the MS-02 Ultra

The MS-02 Ultra provides four DDR5 SODIMM slots, but their distribution within the chassis is unconventional due to the system’s compact thermal layout. Two slots sit on the mainboard near the CPU-side M.2 positions, placed directly in the airflow path of the vapor-chamber cooler and its dual-fan assembly. Because of this, Minisforum has added a custom angled heatsink that draws air from the primary cooling channel across the modules and nearby components.

This arrangement is intended to compensate for the thermal density around the CPU area, where heat buildup would otherwise be more likely. These two slots support both ECC and non-ECC memory, though ECC functionality is active only on the 285HX model. Their placement suggests Minisforum prioritized consistent airflow over ease of access, making upgrades possible but less straightforward than on more open workstation layouts.

The remaining pair of SODIMM slots is located on the opposite side of the board, positioned away from the CPU cooling assembly and closer to the chassis frame. These modules have more breathing room but rely on passive airflow from the system’s general ventilation rather than a focused cooling path. All four slots support speeds up to 4800 MHz, with XMP profiles unavailable due to Minisforum’s implementation and Intel’s platform limitations.

During early testing, memory installation worked as expected, though the arrangement of these slots means users planning maximum 256 GB configurations will need to work within the physical constraints of the layout. Overall, the memory design reflects a tradeoff between supporting high-capacity ECC configurations and fitting the necessary cooling infrastructure into a small volume.

PCIe Card Support on the MS-02 Ultra

The MS-02 Ultra incorporates three PCIe slots arranged to maximize flexibility within its compact chassis: a PCIe 5.0 x16 slot, a PCIe 4.0 x16 slot, and a PCIe 4.0 x4 slot. The PCIe 5.0 slot is left unoccupied by default, allowing users to install a low-profile GPU or accelerator card that fits within the airflow and power constraints of the 350 W internal PSU.

Minisforum includes auxiliary power cables within the system, which is uncommon for small-form-factor workstations and indicates that the chassis is intended to support cards that require supplemental power. Because of the chassis height and width, only dual-slot, low-profile cards with modest cooling requirements are viable, but this still introduces options for compute or media workloads that benefit from hardware acceleration.

The PCIe 4.0 x16 slot is occupied in the 285HX configuration by the dual-25GbE plus dual-M.2 combo card, which introduces additional thermal and power considerations. This leaves the PCIe 4.0 x4 slot available for further expansion, provided the card used meets the system’s spatial limitations. The layout demonstrates Minisforum’s approach to balancing lane allocation between CPU, storage, and networking, especially given the 24 available PCIe lanes on the Ultra 9 platform.

Although the physical presence of three slots in such a compact volume is unusual, the arrangement is functional, and power delivery from the internal PSU supports moderate add-in card configurations. Users will need to consider airflow direction, card length, and slot occupation carefully to avoid restricting internal ventilation.

Conclusion and Verdict on the Minisforum MS-02 Ultra (So Far…)

The MS-02 Ultra presents a compact workstation design that integrates a high-core-count CPU, multiple NVMe storage options, high-speed networking, and an internal PSU within a tightly arranged chassis. Early testing indicates that the system’s thermal behavior, noise profile, and power draw are consistent with its component density, though the long-term performance of its cooling strategy requires extended benchmarking before reaching definitive conclusions. The design choices, such as the split placement of memory slots, the use of a large dual-fan cooling chamber, and the reliance on a densely packed internal layout, all reflect Minisforum’s effort to fit workstation-grade hardware into a constrained volume.

In terms of features, the dual-25GbE plus dual-M.2 combo card remains the most distinctive element, expanding the system’s potential for virtualized environments, NAS roles, and bandwidth-heavy workflows. PCIe allocation, memory configuration, and storage behavior introduce several considerations for users planning upgrades or specialized deployments. While these early observations indicate a capable and flexible platform, further testing is necessary to determine sustained thermal performance, PCIe stability under load, and real-world throughput of the networking and storage subsystems. The forthcoming full review will provide those extended results, but for now, the system presents a feature-rich design with several areas that merit deeper evaluation.

Where to Buy the Minisforum MS-02 Ultra?

Check Amazon in Your Region for the Minisforum MS-02 Ultra

Check AliExpress for the Minisforum MS-02 Ultra

Check the Official Site for the Minisforum MS-02 Ultra

 

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