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 DL380 Gen9 8SFF Server - E5-2698 v3 - 32Cores - 128GB Ram - 1TB HDD
$299.00
HP ProLiant DL360 Gen9 Server 2x E5-2620v4 2.1GHz =16 Cores 32GB P440AR 4xRJ45
$220.00
DELL PowerEdge R630 8SFF Server 2x E5-2680v4 2.4GHz =28 Cores 128GB H730 4xRJ45
$379.00
Dell Poweredge R220 Server Xeon E3-1270 v3 3.5ghz Quad Core / 16gb / 1x Tray
$139.99
Dell R630 Server 2x E5-2620 V4 2.1GHz =16 Cores 128GB DDR4 1x 960GB 2x 1G 2x 10G
$210.00
Dell Poweredge R210 II Server Xeon E3-1220 v2 3.1ghz Quad Core / NoRam / 1x Tray
$69.99
HP ProLiant DL360 G9 Server 2x Xeon E5-2690 V3 24 Cores P440ar 128GB DDR4 1x SSD
$249.99
Dell PowerEdge M620 0F9HJC Blade Server 2*E5-2640 2.50GHz 128GB RAM 2*300GB SAS
$149.99
Dell R730xd 26 Port SFF 2x E5-2697v4 36-Cores H730 128GB Server 2x SFP 10G ENT
$490.00
Lenovo SR530 Server (Intel Xeon Silver 4110) (3x 800GB SSD) (NO OS) (48GB RAM)
$599.00