General Knoppix support for those who've read the FAQ at the Wiki
Cisco UCS B200 M4 Blade Module 2x Xeon E5-2680 v3 12-Core NO RAM NO HDD
$39.99
Dell PowerEdge FX2s CTO Blade 4 Slot 2U Chassis 2x 2000W
$399.00
Sun Microsystems Blade 100 Workstation UltraSPARC-IIe 500MHz 256MB Server No HDD
$95.00
DELL PEM640 POWEREDGE M640 BLADE SERVER
$539.95
HP Proliant BL460C Gen8 Blade Server 2x 8C E5-2690 192GB Ram
$58.15
Cisco UCSB-5108-AC2 UCS AC2 8-Slot Blade Server CTO Chassis - Barebones
$199.99
Dell PEM640 PowerEdge M640 Blade Server
$524.99
Dell PowerEdge M620 Blade Server 2x 10C E5-2690v2 64GB Ram 2x 600GB 10k HDD
$125.00
HP P17342-B21 M750 E2286M CTO BLADE SERVER
$269.95
Dell PowerEdge M640 Barebone Server Blade No Hard Drive Trays
$499.00