MINISFORUM

MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen 7 8745H (8C/16T)

Name: MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen 7 8745H(8C/16T), Mini Desktop Computer Without RAM/SSD/OS, Radeon 780M Graphics, USB4/HDMI/DP
Brand: MINISFORUM
SKU: B0F5PMPGKM

Status: MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen… (Ryzen 8745H mini PC): Unavailable on Amazon as of 2026-10-18 16:26 UTC. SpecPicks has no in-stock Ryzen 8745H mini PC on file; an Amazon search for "Ryzen 8745H mini PC" lists current offers with the same specs. eBay sellers may still list this model new or used.

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Bottom line: The MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen 7 8745H is a specs-and-price decision rather than a crowd-consensus one in the home ai / computer lab category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

Unavailable on Amazon as of 2026-10-18 16:26 UTC

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-18

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. About the author →

Pros & Cons

Pros

✓ Backed by MINISFORUM's warranty and support channels

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

About this item 【Ryzen 7 8745H Mini PC】MINISFORUM UM870 Slim Mini Computers powered with AMD Ryzen 7 8745H Processor, 8 Core/16 Thread, up to 4.9GHz, 16 MB L3 Smart Cache, performance mode TPD up to 65W. 【780M Mini PC Graphics】This UM870 Slim Mini PC is also equipped with AMD Radeon 780M graphics(12 core 2600MHz) based on RDNA3 graphics architecture. The performance is almost very close to that of the GTX 1650 discrete graphics cards. It can handle heavy computing tasks smoothly and is better for multitasking. 【Expandable Storage】This UM870 Slim Mini Computer has a 2x DDR5 SO-DIMM slot, and…

SpecPicks Verdict

SpecPicks scored MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen 7 8745H using a rating × review-volume × price-fit model applied to published specs and reviews across the home ai / computer lab category. MINISFORUM's home ai / computer lab lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for home ai / computer lab of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

【Ryzen 7 8745H Mini PC】MINISFORUM UM870 Slim Mini Computers powered with AMD Ryzen 7 8745H Processor, 8 Core/16 Thread, up to 4.9GHz, 16 MB L3 Smart Cache, performance mode TPD up to 65W.
【780M Mini PC Graphics】This UM870 Slim Mini PC is also equipped with AMD Radeon 780M graphics(12 core 2600MHz) based on RDNA3 graphics architecture. The performance is almost very close to that of the GTX 1650 discrete graphics cards. It can handle heavy computing tasks smoothly and is better for multitasking.
【Expandable Storage】This UM870 Slim Mini Computer has a 2x DDR5 SO-DIMM slot, and each slot can be upgraded to 48GB, up to 96GB. 2x M.2 PCIe4.0 SSD Slot, each slot can be upgraded to 2TB, up to 4TB. Without worrying about lack of capacity, you can run software smoothly, and watch and store large-scale movies, and photos without any stress.
【8K Triple Display Output】MINISFORUM UM870 Slim Mini Desktop PC supports triple displays via HDMI2.1 8K@60Hz, USB4.0 8K@60Hz, and DisplayPort1.4 4K@120Hz output, you can connect three independent displays at the same time to meet the demands of daily multitasking. Increase greatly boost your productivity by expanding multiple workspaces.
【Super USB4.0 Port & Fast Network】The advanced USB4.0 port provides an 8K@60Hz display experience that supports up to 40 Gbps transfer speed, and 65-100W adapter PD power delivery input, allowing you to plug and play anytime, anywhere. UM870 Slim Micro Computer has a 2.5Gbps LAN wired network port and Wi-Fi 6E/BT5.3 wireless network card, providing a stable network connection and fast transmission speed.
【Multiple I/O Interfaces】This UM870 Slim Small PC comes with 1xUSB4 (Alt PD), 1xHDMI, 1xDisplayPort, 1x 2.5Gbps LAN, 2xUSB 3.2 Gen2 Type-A, 2xUSB 2.0, 1x 3.5mm Audio Jack, 2x DDR5 SO-DIMM Slot, 2x M.2 2280 PCIe4.0 SSD Slot, 1xDC 19V.

Full Specifications

UPC	724129226072
ASIN	B0F5PMPGKM
Brand	MINISFORUM
Color	Silver
RAM Type	DDR5 RAM
CPU Model	AMD Ryzen 7
CPU Speed	4.9 GHz
Model Name	DeskMini
Model Year	2024
Resolution	3840 x 2160
Style Name	UM870 Slim 0+0
Screen Size	25 Inches
Aspect Ratio	169
Display Type	LED/LCD
Manufacturer	Micro Computer (HK) Tech Limited
Model Number	Ryzen 7 8745H
Video Output	HDMI, USB4, DisplayPort
Built-In Media	1x HDMI cable, 1x Manual, 1x UM870 Slim Mini PC, 1x US Power Adapter
Processor Brand	AMD
Processor Count	8
Full listing title	MINISFORUM UM870 Slim Mini PC Barebone AMD Ryzen 7 8745H(8C/16T), Mini Desktop Computer Without RAM/SSD/OS, Radeon 780M Graphics, USB4/HDMI/DP Output, 2.5G LAN, 4xUSB Ports, WiFi 6E, BT5.3 (Renewed)

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