General Knoppix support for those who've read the FAQ at the Wiki
IBM x3250 M4 1U Server With Four 2.5" Drive Bays
$299.99
IBM System X 3250 M5 Single Xeon Quad Core E3-1220 v3 @3.1GHz,8GB RAM,Linux SUSE
$159.00
IBM X3850 M2 4U Rack Server BOOTS 4x Xeon MP 2.93Ghz Hot Swap 32GB RAM NO HDDs
$279.99
IBM System x3550 M3 Dual Intel Xeon X5650 @2.67GHz 32GB RAM No HDD
$74.50
IBM EXP3512 2U 12 Bay SAS 2 Storage Enclosure Expansion Unit JBOD SAN Shelf
$274.00
1U IBM x3550 M5 4 Bay SFF SAS3 Server 2x E5-2683 V3 28 Core 128GB DDR4 2x Tray
$318.00
IBM System x3650 M4 Dual Intel Xeon E5-2670 @2.60GHz 128GB RAM No HDD
$114.50
IBM Cloud Object Storage Slicestor 2448 E5-2637 3.5Ghz 128GB DDR4 - NO HDD - NEW
$399.00
IBM QRadar XX28-C 2U Server BOOTS 2x Xeon E5-2650 v3 2.3GHz 128GB RAM NO HDDs
$249.99
IBM 9532-AC1 FLEX SYSTEM X240 M5
$249.99