General Knoppix support for those who've read the FAQ at the Wiki
Dell OptiPlex 3060 MICRO DESKTOP PC COMPUTER I5 8TH GEN UP TO 32GB UP TO 2TB M.2
$350.00
HP Desktop i5 OR I7 Computer Mini PC Up To 32GB RAM 2TB SSD Windows 10 Pro WiFi
$220.00
HP Workstation Z640 2x Xeon E5-2623V4 32GB Ram 2x 256GB SSD Quadro 2000 Linux GA
$212.49
Dell Optiplex 5040 MT Core i5-6500 3.20GHZ 8GB RAM 256GB SSD Win 10 Pro WiFi
$89.99
Intel - Core i5-13600K 13th Gen 14 cores 6 P-cores + 8 E-cores 24M Cache, 3.5...
$314.99
AMD Ryzen 5 4500 Processor (3.6 GHz, 6 Cores, Socket AM4) - 100-100000644BOX
$39.99
Intel Core i9-13900K Raptor Lake 24-Core (8P+16E) Desktop Processor CPU
$474.98
Intel Core i7-7820X 3.60GHz 8-Core SR3L5 LGA2066 CPU Processor Extreme Edition
$52.20
Dell 14" TOUCHSCREEN IntelQuadCore 16GB RAM up to 512GB SSD Fingerprint BT Win11
$235.00
Windows 11 Home Mini PC Intel N4100 Quad Core 2.7GHz 8GB RAM DDR4 256GB SSD
$79.99