Issues relating to HDD Installs. Once you have installed Knoppix, it basicly becomes debian, so you should check out www.debian.org for information.
SuperMicro Scale CSE-813M Xeon E5-2620 v4 128 GB DDR4 1U Server No Drives/No OS
$219.99
1U Supermicro Server 10 Bay 2x Intel Xeon 3.3Ghz 8C 128GB RAM 480GB SSD 2x 10GBE
$273.00
SUPERMICRO CSE-512 AMD Opteron Processor 6128, 32GB DDR3 RAM NO HDD
$90.00
1U Supermicro Server X10DRU-i+ 2x Xeon Total 36 Cores 64GB 4x 10GBE-T 2PS
$314.00
HP ProLiant Xeon E3-1220L V2 MicroServer Gen8 2.30 GHz 16 GB RAM NO DRIVES
$199.00
Genuine HP ProLiant MicroServer Gen8 Intel Pentium G2020T 2.5GHz 712318-001
$199.95
SuperMicro Server 505-2 Intel Atom 2.4GHz 8GB RAM SYS-5018A-FTN4 1U Rackmount
$202.49
Genuine HP ProLiant MicroServer Gen8 without the part on the front w power cord
$185.92
1U 20" Short Depth Server Firewall PFSense X11SSH-F Xeon 3.5Ghz 32GB RAM NVME
$247.00
1U BareMetal pfsense opnsense Router Firewall DNS Server 6x 10GB Ethernet Ports
$149.00