General Knoppix support for those who've read the FAQ at the Wiki
IBM Power S822 8284-22A 12SFF Power8 3.89GHz 6Core 64GB RAM No HDD Server System
$449.99
IBM POWER 720 IBM 8202-E4C Server | 64GB RAM | No Drives / OS | #99
$349.99
IBM AC1 8722 4xIntel Xeon 2.2 GHz 8 Cores Server w/64GB/DVDRW/PS WORKS
$83.95
IBM xSeries 330 Pentium III 1.133 Ghz Rackmount Server 1.5GB Ram No Drives READ
$76.49
IBM System x3550 M3 Dual Intel Xeon X5650 @2.67GHz 32GB RAM No HDD
$74.50
$16000.00
IBM Cloud Object Storage Slicestor 2448 E5-2637 3.5Ghz 128GB DDR4 - NO HDD - NEW
$399.00
IBM mainframe server cpu IBM93 vintage cpu collector's item
$125.99
IBM P5 9131-52A 4-Bay Server System Power5+ 1.65Ghz DVD-Rom Drive 16GB No HDD
$699.99
IBM P5 9115-505 2-Bay Server System Power5+ Core DVD-Rom 2GB No HDD For Parts
$174.99