General Knoppix support for those who've read the FAQ at the Wiki
HP Desktop i5 OR I7 Computer Mini PC Up To 32GB RAM 2TB SSD Windows 10 Pro WiFi
$220.00
Dell OptiPlex 3060 MICRO DESKTOP PC COMPUTER I5 8TH GEN UP TO 32GB UP TO 2TB M.2
$350.00
Dell Optiplex 5040 MT Core i5-6500 3.20GHZ 8GB RAM 256GB SSD Win 10 Pro WiFi
$89.99
HP Workstation Z640 2x Xeon E5-2623V4 32GB Ram Dual 256GB SSD K420 Linux GA
$182.73
Intel - Core i5-13600K 13th Gen 14 cores 6 P-cores + 8 E-cores 24M Cache, 3.5...
$314.99
Intel Core i7-7820X 3.60GHz 8-Core SR3L5 LGA2066 CPU Processor Extreme Edition
$52.20
Intel - Core i7-13700K 13th Gen 16 cores 8 P-cores + 8 E-cores 30M Cache, 3.4...
$449.99
Intel Xeon E5-2670 2.6GHz 8 Core 20MB Cache Socket 2011 CPU Processor SR0KX
$5.95
HP Workstation Z640 2x Xeon E5-2623V4 32GB Ram 2x 256GB SSD Quadro 2000 Linux GA
$212.49
Lenovo ThinkBook 15 Gen 4 Notebook 15.6" FHD Intel Core i7-1255U 8GB RAM
$549.99