I just bought two of these (strictly for radio work), and have too say, I am impressed for 250 bucks - YMMV
M.2's and RAM non included

Gigabyte GB-BSRE-1605B

Quad Core / 8 thread CPU
4x HDMI
2x M.2 Slots
Up to 32GB of RAM
2x RS232 Headers
USB 3.1 Gen 2
2x GB RJ45
Intel Wi-Fi 802.11ac (antennas included)
Integrated Vega 8 Graphics
Support Bracket includedOS = Win-10, IoT, Linux

So far, they've done everything I've asked of them. No complaints.

73's
Greg, KI7MT