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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

  • TypeDesktop PC
  • Operating SystemWindows 11 Pro
  • UsageWork / Business
  • ColorBlack
  • AI FeaturesAvailable
  • ProcessorAMD Ryzen 9 8945HS

Options UM890 Pro · 32+512

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

TypeDesktop PC
Operating SystemWindows 11 Pro
UsageWork / Business
ColorBlack
AI FeaturesAvailable
ProcessorAMD Ryzen 9 8945HS
Memory32GB
Storage5121GB
Ethernet2.5G Ethernet
Cooling SystemFan
Windows 11Ready
Software IncludedNo
CPU TypeAMD Ryzen 7
CPU NameAMD Ryzen 9 8945HS
CPU Base Frequency4.00GHz
Turbo Frequency5.20GHz
L2 Cache Per CPU8 MB
L3 Cache Per CPU16 MB
CPU Socket TypeFP7 , FP7r2 , FP8
GPU/VGA TypeAMD Radeon 780M
Memory Capacity32GB
Memory Speed5600MHz
Memory Slot (Total)2
Maximum Memory Supported96 GB
SSD512GB
LAN Speed10/100/1000/2500Mbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6E
BluetoothBluetooth 5.2
BrandMINISFORUM
ModelDeskMini
Screen Size0"
Video Ports4
RJ452 ports
Rear Audio Ports1 port

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

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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