Minisforum
The Minisforum UM870 Slim Mini PC is a barebone, compact desktop powered by an AMD Ryzen 7 8745H APU with Radeon 780M graphics, offering up to 96 GB DDR5 RAM and 4 TB NVMe storage in a 0.3 L chassis. It supports triple 8K displays, USB4 eGPU expansion, and delivers strong multi‑core performance with ultra‑quiet operation.
Pros
Current
$303.90
Average
$347.19
Lowest
$303.90
Highest
$399.90
Lower = better sales rank
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MINISFORUM
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Best For
Power users who need desktop‑level CPU performance in a mini form factor, multi‑monitor professionals (traders, video editors), light gamers, media server enthusiasts, and anyone wanting a clean Windows 11 Pro system with eGPU upgrade potential.
Not Ideal For
Enthusiasts seeking high‑end AAA gaming without an external GPU, AI researchers needing a dedicated NPU, Linux purists requiring out‑of‑the‑box Wi‑Fi/Bluetooth support, and users who prefer a premium metal chassis.
Expert Opinion
Professional reviewers praise the UM870 Slim for delivering desktop‑class performance in a tiny footprint, highlighting its strong multi‑core CPU, capable Radeon 780M iGPU, ultra‑quiet cooling and excellent power efficiency. They also note the value‑for‑money proposition, the flexibility of BIOS settings, and the rare triple‑8K display capability, while flagging Linux Wi‑Fi issues and the limited ceiling of the integrated graphics for heavy AAA gaming.
What Users Say
Everyday users appreciate the fast, quiet experience and the hassle‑free setup, often commenting that everything just works out of the box. Common praise centers on the compact size, low noise, and solid performance for everyday tasks, while complaints focus on the plastic build, difficulty accessing internal components, and occasional driver issues on Linux.
Common Complaints
Plastic chassis feel, glued case making upgrades hard, Linux Wi‑Fi/Bluetooth detection failures, fan noise under sustained load, and limited integrated graphics performance in demanding games.
What People Are Saying
“Very fast and quiet, easy to set up. Plugged in all peripherals — everything works.”
How It Compares
Compared to other mini PCs, the UM870 Slim offers a more powerful Zen 4 CPU and RDNA 3 iGPU than many Intel NUC‑style devices, while providing unique triple‑8K output and USB4 eGPU capability. Its power efficiency and quiet cooling outshine many competitors, though its plastic chassis and limited AAA gaming performance place it behind higher‑priced metal‑chassis mini PCs with discrete GPUs.
