General Knoppix support for those who've read the FAQ at the Wiki
HP ProLiant BL460c Gen9 Blade Server 1x Xeon E5-2623 v3 3.00GHz 16GB DDR4 No HDD
$169.99
Dell PowerEdge FX2s CTO Blade 4 Slot 2U Chassis 2x 2000W
$399.00
HP ProLiant BL460c Gen9 Blade 2x E5-2690v4 2.6GHz =28 Cores 32GB P246 650FLB
$223.00
DELL PowerEdge M630 Blade 2x E5-2680v4 2.4GHz =28 Cores 128GB H330 2x10Gb X520
$275.00
Cisco UCSB-B200-M5 V05 Blade Server with 2x GOLD 6146, 3.2GHZ 64GB RAM, NO SSD
$649.00
Dell PowerEdge M620 Blade Server 2 x Xeon e5 2665 8 x 16 GB(128) RAM - No HD
$59.99
HP ProLiant BL460c Gen9 Blade Server Intel Xeon E5-2698 v3 - 512GB RAM
$255.61
Dell PowerEdge M620 Blade Server 2x 10C E5-2690v2 64GB Ram 2x 600GB 10k HDD
$125.00
Sun Microsystems Blade 100 Workstation UltraSPARC-IIe 500MHz 256MB Server No HDD
$95.00
DELL PEM640 POWEREDGE M640 BLADE SERVER
$539.95