General Knoppix support for those who've read the FAQ at the Wiki
HP Z440 Workstation 18Cores Xeon E5-2699 V3 128GB 1TB SSD 2TB WIFI WIN11 R5-340X
$249.99
Intel Xeon Silver 4214 SRFB9 2.20GHz 16.5MB 12-Core LGA3647 CPU Processor
$149.99
HP Workstation Z640 2x Xeon E5-2623V4 32GB Ram 2x 256GB SSD Quadro 2000 Linux GA
$212.49
Lenovo Slim Pro 9 Laptop, 16" Glass, i9-13905H, 32GB, 1TB SSD, Win 11 Home
$939.99
Intel Xeon E5-2680 v4 SR2N7 2.40GHz 35MB 14-Core LGA2011-3 CPU Processor
$14.99
Dell Precision T5810 Xeon E5-1620 v4 (3.50GHz) 32GB RAM, No OS, No Graphic Card
$100.00
SR1XP Intel Xeon E5-2680 v3 12 Core 30MB 2.5GHz LGA 2011-3 Grade A Processor
$3.96
Intel Xeon E7-8890 V4 2.20GHz 24-Core 60MB LGA2011 Server CPU Processor SR2SS
$29.99
HP Z420 Workstation Xeon E5-2690 v2 3ghz 10-Cores 64gb 512gb SSD 4TB Win10
$239.99
HP Workstation Z640 2x Xeon E5-2623V4 32GB Ram 2x256GB SSD Quadro K420 NO OS GA
$164.98