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The Minisforum UM870 Slim is a barebone mini PC that packs an AMD Ryzen 7 8745H and Radeon 780M iGPU into a 1.98‑inch‑tall chassis, delivering desktop‑class performance, triple‑8K display support, and extensive expandability while staying under 2 lb.
Pros
Current
$303.00
Average
$325.94
Lowest
$303.00
Highest
$399.00
Lower = better sales rank
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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‑class CPU performance in a compact form factor, such as video editors, streamers, developers with multi‑monitor setups, light gamers, and anyone looking for an always‑on mini PC for virtualization or home server tasks.
Not Ideal For
Customers seeking a premium metal chassis, out‑of‑the‑box ready PC with OS/RAM/SSD, Linux users who rely on native Wi‑Fi drivers, or workloads that require dedicated AI/ML acceleration.
Expert Opinion
Professional reviewers praise the UM870 Slim as a benchmark leader among mini PCs with integrated graphics, highlighting its Ryzen 7 8745H CPU that rivals higher‑power mobile chips, a Radeon 780M that delivers 3× the graphics performance of Intel N100 systems, and a sophisticated cooling solution that maintains high sustained power without throttling. They also note its excellent value under $600, extensive connectivity (including USB4 eGPU support), and strong multi‑monitor capabilities, while calling out the plastic chassis and limited Linux Wi‑Fi support as minor drawbacks.
What Users Say
Everyday users appreciate the system’s real‑world performance for content creation and multitasking, especially the smooth 4K video editing, reliable triple‑monitor setup, and strong Bluetooth connectivity. Upgradeability is frequently mentioned as a plus, with users reporting fast boot times after installing large amounts of RAM and storage. The most common complaints revolve around the lack of pre‑installed OS/RAM, the difficulty of opening the chassis, and occasional Wi‑Fi driver issues on Linux.
Common Complaints
Plastic chassis feels cheap. Rubber feet glued, making the unit hard to open for upgrades. Wi‑Fi driver incompatibility on certain Linux distros. Fan noise becomes noticeable in performance mode
What People Are Saying
“Runs Adobe Premiere smoothly — no lag during 4K timeline scrubbing.”
“Connected three monitors: two 4K and one 8K — all work flawlessly.”
“Bluetooth keyboard works perfectly from across the room.”
“Installed 64 GB RAM and dual 2 TB SSDs — boots in 4 seconds.”
How It Compares
vs. Intel N100 Mini PC
Advantages
Disadvantages
Choose the UM870 Slim for maximum performance and expandability; opt for an Intel N100 mini PC if budget and a metal chassis are higher priorities.
