General Knoppix support for those who've read the FAQ at the Wiki
HPE BL460c G9 ProLiant Blade | 2x Xeon E5-2620V3 | NO RAM | P244BR | 2xHDD Tray
$179.00
CISCO 5108 Blade Server Chassis N20-C6508
$200.00
DELL POWEREDGE M620 SERVER BLADE INTEL XEON E5-2670 @ 2.60GHZ 128GB RAM 2X 146GB
$399.00
HP ProLiant BL460c G9 (Gen9) 2x E5-2670V3 12 Core 3.1GHz No Ram or No Drives
$59.98
2 x HP ProLiant BL460c (447707-B21) Blade Servers No RAM No HDD
$30.00
Dell PowerEdge M620 0F9HJC Blade Server 2*E5-2670 2.60GHz 192GB RAM 2*300GB SAS
$103.99
DELL PEM640 POWEREDGE M640 BLADE SERVER
$539.95
HP ProLiant 614169-003 4U High-Efficiency Blade Server Chassis S6500 4x PSU READ
$64.00
HP ProLiant BL460c Gen9 Blade 2x E5-2660v4 2.0GHz =28 Cores 128GB P246 650FLB
$286.00
Dell PowerEdge M620 Blade Server
$39.99