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Silver compact mini PC barebone with slim rectangular form factor

minisforum

minisforum DeskMini UM870 Slim barebone mini PC Ryzen 7 8745H 32GB DDR5 512GB

SKU CH-882W-JJ98H

A compact barebone PC with an 8-core Ryzen 7 8745H, 32 GB DDR5, 512 GB PCIe 4.0 SSD and Radeon 780M graphics driving triple 8K displays

  • ProcessorAMD Ryzen 7
  • Wi-Fi standardWi-Fi 6E
  • Processor socketFP7r2 , FP8
  • Processor cores8-Core
  • Installed memory32 GB
  • RAM slots2

Model UM870 Slim · 32+512

  • 8-core Ryzen 7 8745H up to 4.9 GHz for demanding workloads
  • 32 GB DDR5-5600 dual-channel memory expandable to 64 GB
  • Radeon 780M RDNA 3 graphics driving three displays up to 8K 60 Hz
  • 5 GbE LAN plus Wi-Fi 6E and Bluetooth 5.3 for fast connectivity
  • 512 GB PCIe 4.0 SSD with second slot for storage expansion

Ready-to-run mini workstation

This minisforum DeskMini UM870 Slim barebone ships with an 8-core Ryzen 7 8745H processor, 32 GB of DDR5-5600 memory and a 512 GB PCIe 4.0 SSD already installed. Windows or Linux can be loaded immediately for office suites, code compilation or light creative workloads. The compact silver chassis uses integrated Radeon 780M graphics, so no separate graphics card is required.

Ideal for space-constrained desks

Three video outputs — HDMI 2.1, DisplayPort and USB4 — each drive an 8K 60 Hz panel, making the system a natural fit for traders, developers or digital-signage deployments that need expansive screen real-estate. Buyers who need discrete GPU performance, more than 64 GB of memory or additional internal drive bays should look at larger form-factor platforms.

Single-spec decider: 512 GB factory SSD on PCIe 4.0

The pre-fitted drive determines whether the machine can hold your active project library without an immediate upgrade; a second PCIe 4.0 slot is available if capacity must grow later.

How it compares

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

Price $489.99
Cheaper than about 60% of the 1,735 comparable items (median $564.99).

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Specifications

Product
Brand nameMINISFORUM
Model nameDeskMini
Product colorSilver
Processor
ProcessorAMD Ryzen 7
Processor socketFP7r2 , FP8
Processor cores8-Core
Memory
Installed memory32 GB
RAM slots2
Supported memoryDDR5-5600 MHz
Maximum supported memory64 GB
Dual-channel supportYes
Storage
Installed storage512 GB SSD
Graphics
Built-in graphicsAMD Radeon 780M
Connectivity
Wi-Fi standard802.11ax
Bluetooth support5.3
Ports & slots
HDMI ports1
DisplayPort connectors1
Ethernet port1
More details
Additional detailsPCIe4.0 × 4

Other versions of this model

5 more in the same range

Questions about this item

Does the UM870 Slim ship with the 32 GB DDR5-5600 RAM and 512 GB PCIe 4.0 SSD already installed, or must I buy them separately?

The unit arrives with 32 GB of DDR5-5600 memory and a 512 GB PCIe 4.0 SSD pre-installed, so no separate purchase is required for those components.

Should I choose the 32 GB model or plan to upgrade to the 64 GB maximum supported by the two SODIMM slots?

The board provides two DDR5 SODIMM slots with a 64 GB ceiling; the 32 GB configuration fills one slot, leaving the second free for a future 32 GB module if you need the full 64 GB.

What does the 4.9 GHz maximum boost clock on the Ryzen 7 8745H mean for everyday workloads inside this chassis?

The 8-core, 16-thread processor can reach 4.9 GHz on bursty tasks such as compilation or light rendering, while the integrated Radeon 780M handles 8K60 output over HDMI 2.1 and USB4 for triple-display setups.

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