Issues relating to HDD Installs. Once you have installed Knoppix, it basicly becomes debian, so you should check out www.debian.org for information.
HP ProLiant MicroServer Gen8 G8 G2020T 8GB RAM 4x 1TB HDD 4x 3.5" 712318-421
$269.99
1U BareMetal pfsense opnsense Router Firewall DNS Server 6x 10GB Ethernet Ports
$149.00
Supermicro 1U Server X9DRW-3LN4F+ 2x E5-2680 2.7ghz / 128gb / 8xTrays / 2x 700w
$229.99
1U 20" Short Depth Server Firewall PFSense X11SSH-F Xeon 3.5Ghz 32GB RAM NVME
$247.00
HP ProLiant MicroServer Gen8 | Intel XEON E3-1220L V2 | 8GB RAM | NO HDD | 4 BAY
$249.99
HPE ProLiant MicroServer Gen10 AMD Opteron X3216 8GB RAM No HDDs
$325.00
Supermicro Server 505-2 Intel 2.4GHz 16GB SYS-5018A-FTN4 - pfSense Compatible
$220.48
HP HPE Microserver Gen 7 8 9 iLO 2/3/4/5Advanced License Lifetime Key| FAST SHIP
$10.00
SuperMicro SuperServer 5038MR-H8TRF Blade w/X10SRD-F Board E5-2630v3 Proc 128GB
$263.96
Supermicro 2U Server 12 Caddy Bay 3.5 LFF E ATX Storage Chassis SAS2 6GBPS Rail
$199.00