General Knoppix support for those who've read the FAQ at the Wiki
Intel Xeon E5-2697 v4 2.3GHz 18-Core Processor CPU LGA2011 SR2JV
$49.99
Intel - Core i9-14900K 14th Gen 24-Core 32-Thread - 4.4GHz (6.0GHz Turbo) Soc...
$533.99
AMD Ryzen 7 7800X3D Processor (5 GHz, 8 Cores, Socket AM5), New /Sealed
$309.99
Dell Intel® Xeon® Processor E5-2698 v4 Lightly Used
$64.00
Intel Core i7-9700 3.0 GHz Octo-Core (SRG13) Processor
$120.00
Intel Core i7-12700KF Desktop Processor 12 (8P+4E) Cores up to 5.0 GHz Unlocked
$189.00
Intel - Core i5-14600K 14th Gen 14-Core 20-Thread - 4.0GHz (5.3GHz Turbo) Soc...
$305.99
AMD Ryzen 7 PRO 5750G Processor (4.6 GHz, 8 Cores, Socket AM4) Tray -...
$245.00
Intel Pentium 4 Extreme Edition 3.73 GHz SL7Z4 LGA775 Processor Prescott
$533.11