Issues relating to HDD Installs. Once you have installed Knoppix, it basicly becomes debian, so you should check out www.debian.org for information.
DELL PowerEdge R730XD Server 2x E5-2680v3 2.5GHz =24 Cores 32GB H730 4xRJ45
$271.00
DELL PowerEdge R630 8SFF Server 2x E5-2650v4 2.2GHz =24 Cores 32GB H730 4xRJ45
$240.00
1U Supermicro Server 10 Bay 2x Intel Xeon 3.3Ghz 8C 128GB RAM 480GB SSD 2x 10GBE
$273.00
Dell Poweredge R220 Server Xeon E3-1270 v3 3.5ghz Quad Core / 16gb / 1x Tray
$139.99
Dell PowerEdge R730XD 28 Core Server 2X Xeon E5-2680 V4 H730 128GB RAM No HDD
$389.99
HP Proliant DL360 G9 2x2.6GHz Intel 14 Core Xeon E5-2697v3, 32GB RAM, NO HDD
$139.99
Dell PowerEdge R620 Server 2x E5-2660 v2 2.2GHz 20 Cores 256GB RAM 1x 480GB SSD
$139.99
SuperMicro Server 505-2 Intel Atom 2.4GHz 8GB RAM SYS-5018A-FTN4 1U Rackmount
$202.49
Dell Poweredge R630 Server 2x E5-2620 V4 =16 Cores | S130 | 32GB RAM | 2x trays
$153.99
Dell Poweredge R720xd 2x Xeon E5-2670 2.6GHz 16-Cores 64gb H710p 26x Trays
$339.99