General Knoppix support for those who've read the FAQ at the Wiki
Dell 9020 Optiplex Micro-Intel Core i5 - 1TB SSD 8GB RAM Window 11
$119.49
HP Desktop i5 OR I7 Computer Mini PC Up To 32GB RAM 2TB SSD Windows 10 Pro WiFi
$220.00
Lenovo ThinkStation P340 Tower 2.90GHz 8-Core I7-10700 Win11 CTO Custom To Order
$586.93
Dell OptiPlex 3060 MICRO DESKTOP PC COMPUTER I5 8TH GEN UP TO 32GB UP TO 2TB M.2
$295.00
Dell Optiplex 7070 SFF i7-9700 3.00Ghz 8-Core 32GB RAM 256GB NVMe Win11Pro 1
$289.99
Dell Optiplex 7070 SFF i7-9700 3.00Ghz 8-Core 32GB RAM 256GB NVMe Win11Pro 2
$289.99
HP EliteDesk 65W 800 G4 DM Mini i5-8500 6-Core/8Gb/256Gb SSD/HDMI/Windows 10
$75.00
DELL LATITUDE 3440 CORE I5-4210U @ 1.70GHz 8GB RAM 256GB SSD Windows 10 Pro Cord
$50.00
Windows 11 Home Mini PC Intel N4100 Quad Core 2.7GHz 8GB RAM DDR4 256GB SSD
$79.99
Dell Optiplex 5040 MT Core i5-6500 3.20GHZ 8GB RAM 256GB SSD Win 10 Pro WiFi
$89.99