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Mini-PC review: The Ryzen 5 Pro 2500U-powered Minisforum UM250


This tiny PC's Ryzen 5 Pro 2500U is a couple generations out of date—but it's inexpensive, and it still packs a serious punch.
Enlarge / This tiny PC’s Ryzen 5 Pro 2500U is a couple generations out of date—but it’s inexpensive, and it still packs a serious punch.

Jim Salter

Minisforum’s UM250 is a very small form factor PC with the power and the ports to take on a lot of tasks. And due to its choice of an older CPU, it’s pretty cheap, too.

A couple of months ago, we reviewed Minisforum’s Comet Lake i5-powered U850. The UM250 we’re looking at today is cut largely from the same cloth—it’s got 16GiB RAM, flagship Intel Wi-Fi 6, a 256GB SSD, two wired Ethernet ports, and an attractive VESA-mountable case that’s easy to work on (and in).

The biggest real-world difference between the two models is price: $430 for the fully loaded, AMD-powered UM250 versus $700 for the Intel-powered U850.

Overview

Minisforum UM250 product image

Minisforum UM250

(Ars Technica may earn compensation for sales from links on this post through affiliate programs.)

Like most of Minisforum’s models, the UM250 is an unassuming little silver-and-black brick stuffed with ports—including four USB type-A ports and enough video out to drive three displays via USB-C, DisplayPort, and full-size HDMI.

The UM250 we tested is “fully loaded” with 16GiB of socketed dual-channel RAM, a 256GB Kingston M.2 SSD, and a copy of Windows 10 Professional. If you’re looking to supply your own RAM, SSD, and OS there’s also a bare-bones version on Minisforum’s store at $320.

The reason the UM250 is so relatively inexpensive (not much more than half the cost of the Intel-powered U850) is the Ryzen 5 Pro 2500U powering it. The UM250’s 2500U is almost two years older than the Comet Lake i5 in the U850, but it goes neck-and-neck with the newer, more expensive Intel part in most benchmarks. Heck, the Ryzen even wins in some areas.

Minisforum also shaved off some cost by only providing a single SATA port versus the U850’s two, and by using a slower M.2 SATA model of the Kingston SSD. The UM250 also offers dual RTL8111 Gigabit Ethernet versus the U850’s RTL8111 Gigabit + Intel 2.5Gbps Ethernet. We suspect most of the folks in the market for this sort of mini-PC won’t mind those sacrifices, especially when considering they come at nearly $300 off the retail cost.

Moving past raw specs, the UM250 is pleasant to share an office with. Even in Time Spy and Cinebench R20 multi-threaded testing, its cooling fan stays reasonably quiet. If you’re close to it in a dead silent environment, you’ll be able to hear it—but even then, it’s a steady clean whoosh without any bearing whine. This mini-PC is slow to change RPMs rather than rapidly spinning up and down repeatedly.

Inside the UM250

Specs at a glance: UM250
CPU Ryzen 5 Pro 2500U
OS Windows 10 Pro (pre-installed) / Linux supported
RAM 16GiB DDR4 (2x 8GiB SODIMM)
GPU Vega 6 (integrated)
Wi-Fi M.2 Intel AX200 Wi-Fi 6, dual-band + BlueTooth 5.1
SSD Kingston M.2 256GB SATA SSD
Connectivity
  • one SATA port
  • one full-size HDMI 2.0
  • one full-size DisplayPort
  • one USB-C (full featured)
  • DC barrel jack
  • four USB3.1 Type-A
  • two 1Gbps Ethernet (Realtek 8111H)
  • one 3.5 mm audio
  • integrated mic
Price as tested $430 at Amazon / $470 at Minisforum

Much like the U850, the UM250 is extremely easy to get into and work on/in. The top plate can be removed by gently pushing two corners and letting it pop out (similar to some kitchen cabinet doors). Once inside the UM250, you’re presented with a socketed NVMe SSD on the left, an unpopulated SATA power+data connector in the center, and two socketed DDR DIMMs on the right.

Unlike the more expensive U850, the UM250 only offers a single SATA connector—and no sunken drive bays in the chassis itself. Instead, you can bolt a 2.5″ SATA HDD or SSD to the underside of the top plate. This is functional but a little irritating, since it means your SATA cable is attached to the plate you must remove to get into the box.

But again, considering the massive price disparity between the U850 and UM250, we’re not complaining. We’re just happy there’s a SATA connector and mounting bracket at all, given that the primary drive is NVMe.



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