General Knoppix support for those who've read the FAQ at the Wiki
IBM Power S822 12-Bay Server System Power8 Core 3.42Ghz DVD-Rom Drive 64GB No HD
$349.99
IBM Blade Server HS22V 6 Core Intel Xeon X5690
$250.00
7871-F2M IBM Blade Server HS22V Six Core Xeon E5680
$250.00
IBM X3530 M4 1U SERVER XEON E5-2620 2.10GHz 128GB No Drives
$250.00
IBM Power S822 8284-22A 12SFF Power8 3.89GHz 6Core 64GB RAM No HDD Server System
$359.99
IBM Power8 S822L 20-Core 3.42GHz 256Gb 1.2Tb 40G Elastic Storage Server 5148-22L
$599.95
IBM System X 3550 M3 Server 80GB RAM Dual 2.67GHz Xeon Six Core X5650; 6128384
$129.95
VINTAGE IBM PC SERVER MODEL 325 Beige Tower Computer
$799.00
IBM Blade Server HS22 X5570 2.93GHZ/1333/8M 6GB RAM 7870-C4M
$226.00
IBM Power S822 8284-22A 12SFF Power8 3.89GHz 6-Core 64GB RAM No Bezel/HDD Server
$319.99