General Knoppix support for those who've read the FAQ at the Wiki
HP ProLiant BL460c Gen9 Blade 2x E5-2697v4 2.3GHz =36 Cores 64GB P246 650FLB
$279.00
DELL PowerEdge M630 Blade 2x E5-2687Wv3 3.1GHz =20 Cores 32GB H330 2x10Gb X520
$193.00
HP ProLiant BL460c Gen9 Blade 2x E5-2690v4 2.6GHz =28 Cores 128GB P246 650FLB
$331.00
Dell Poweredge M630 Blade Server 2x E5-2660 v3 2.6ghz 20-Cores / 64gb / H730
$239.99
Dell PowerEdge M520 Blade Server Xeon E5-2403 NO HDD NO RAM
$45.00
Cisco B200 M4 Blade Server-No Ram
$50.00
HP Proliant BL460C Gen8 Blade Server 2x 8C E5-2690 192GB Ram
$58.23
Dell PowerEdge FX2s CTO Blade 4 Slot 2U Chassis 2x 2000W
$399.00
HP ProLiant BL460c Gen9 Blade 2x E5-2697v4 2.3GHz =36 Cores 128GB P246 650FLB
$351.00
DELL PowerEdge M630 Blade 2x E5-2699v3 2.3GHz =36 Cores 128GB H330 2x10Gb X520
$321.00