Not sold at retail, but you can browse Valve
Some links here are affiliate links. If you buy through one, Creator Gear earns a commission, at no extra cost to you.
Creators cited with this
ETA PRIMEYouTube, 1.4M followers“This is official Steam OS. Going down here, I am on main Steam beta. I was trying to get the RGB working. It's version 3.10.”
Watch the video at 3:00
Creators who use this also use
ThrottleStop
also used by 1 of them
Windows 11 Pro
also used by 1 of them

3DMark Steel Nomad
also used by 1 of them
3DMark Time Spy
also used by 1 of them

Android 16 Beta
also used by 1 of them

Armoury Crate
also used by 1 of them