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Compact black mini PC with front USB ports and rear vents

minisforum

minisforum UM890 Pro barebone mini PC Ryzen 9 8945HS 32GB 512GB

SKU CH-9Y9J-R2N6F

Compact Windows 11 Pro desktop with Ryzen 9 8945HS, 32GB DDR5, 512GB storage and Radeon 780M graphics

  • Screen size0 in (0 cm)
  • ProcessorAMD Ryzen 7
  • Memory size32 GB
  • Storage drive5121 GB
  • GraphicsAMD Radeon 780M
  • CPUAMD Ryzen 9 8945HS

Model UM890 Pro · 32+512

  • 8 cores and 16 threads deliver fast multi-task performance with Ryzen 9 8945HS
  • 32 GB DDR5 at 5600 MHz provides responsive memory bandwidth for heavy workloads
  • AMD Radeon 780M graphics enable smooth 4K visuals across four display outputs
  • Dual 2.5 GbE ports and Wi-Fi 6E give reliable high-speed wired and wireless connectivity
  • OCuLink PCIe 4.0 x4 supports external GPU expansion at 64 Gbps bandwidth

Compact AMD Ryzen workstation

The minisforum UM890 Pro barebone mini PC ships with a Ryzen 9 8945HS processor, 32GB of DDR5 memory and a 512GB PCIe 4.0 SSD. Windows 11 Pro is pre-installed for immediate business use. The integrated Radeon 780M graphics handle everyday visual workloads. Two 2.5G Ethernet ports and Wi-Fi 6E keep network traffic moving.

Quiet fan cooling at idle

A single internal fan manages thermals while the system sits at desktop loads. Power draw stays modest thanks to the 4nm Zen 4 architecture and a 4.0GHz base frequency. Bluetooth 5.2 peripherals connect without extra dongles. The compact chassis dissipates heat without audible distraction during typical office tasks.

Sustained boost to 5.2GHz

Under prolonged multi-threaded work the CPU maintains up to 5.2GHz turbo across its 8 cores and 16 threads. The OCuLink port provides PCIe 4.0 x4 bandwidth for an external GPU when internal graphics reach their limit. Memory can be expanded to 96GB and a second M.2 2280 slot accepts another 2TB drive. Builders needing more than four video outputs or a larger internal power supply should look elsewhere.

How it compares

Measured against everything we stock in Mini PC Barebone Systems, at today’s prices. Recalculated every night.

Price $688.99
Pricier than about 62% of the 1,735 comparable items (median $564.99).
Memory size 32 GB
Higher than about 70% of the 26 comparable items (median 16 GB).
RAM capacity 32 GB
Higher than about 80% of the 56 comparable items (median 12 GB).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameMINISFORUM
Model nameDeskMini
Product typeDesktop PC
Recommended useWork / Business
Product colorBlack
Processor
ProcessorAMD Ryzen 7
CPUAMD Ryzen 9 8945HS
CPU modelAMD Ryzen 9 8945HS
CPU socketFP7 , FP7r2 , FP8
Turbo clock speed5.2 GHz
Base clock speed4 GHz
L2 cache per processor8 MB
L3 cache per CPU16 MB
Memory
Memory size32 GB
RAM capacity32 GB
RAM type and speed5600 MHz
Total memory slots2
Max supported RAM96 GB
Storage
Storage drive5121 GB
SSD storage512 GB
Display
Screen size0 in (0 cm)
Graphics
GraphicsAMD Radeon 780M
Connectivity
Wi-Fi standardWi-Fi 6E
Network speed10/100/1000/2500 Mbit/s
Wired network2.5G Ethernet
Wi-Fi802.11ax Wireless LAN
Bluetooth support5.2
Ports & slots
Video connectors4
Ethernet port2 ports
Rear audio jacks1 port
Compatibility
Windows 11 supportReady
Software
Operating systemWindows 11 Pro
Pre-installed softwareNo
More details
AI capabilityAvailable
Cooling methodFan

Other versions of this model

5 more in the same range

Questions about this item

How do I add a second M.2 2280 PCIe 4.0 SSD to the empty slot without blocking the OCuLink port?

Open the chassis, insert the 2280 drive into the spare M.2 slot at the labelled angle, secure it with the supplied screw, then close the case; the OCuLink port remains usable only if that same slot is left empty.

What ongoing care does the internal fan and the two 2.5 G Ethernet ports need?

Blow dust from the fan vents every few months and check that the RJ45 connectors click firmly; no other user-serviceable parts require attention.

Which limit appears first when the Ryzen 9 8945HS runs at 5.2 GHz boost for extended periods?

The single fan cooling system reaches its thermal ceiling before the 5600 MHz DDR5 or the 512 GB PCIe 4.0 SSD hit any bottleneck.

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