Using knoppix on laptops. LCD screens, APM, PCMCIA ...
HP ProLiant MicroServer Gen8 G8 G2020T 8GB RAM 4x 1TB HDD 4x 3.5" 712318-421
$279.99
Supermicro 1U Server X9SRI-F Xeon E5-2640 v2 2.5Ghz 16-Cores / 64GB / No HDD
$149.99
1U 20" Short Depth Server Firewall PFSense X11SSH-F Xeon 3.5Ghz 32GB RAM NVME
$247.00
Barracuda Supermicro CSE-825 X10DRH-CT 720w PSU 2U 8 Bay Dual E5-2620V4 32GB
$189.95
HP ProLiant MicroServer Gen8 Desktop Computer Intel Core i3-3240 8GB Ram
$224.99
HP Proliant HSTNS-5151 Microserver (618364-005) NO HARD DRIVES - WORKS
$149.99
HPE ProLiant MicroServer Gen10 Plus v2 Ultra Micro Tower Server - 1 x Intel Xeon
$846.48
DATTO-1000 Mini PC Micro Server 8GB RAM
$67.48
1U BareMetal pfsense opnsense Router Firewall DNS Server 6x 10GB Ethernet Ports
$149.00
Supermicro X9SCM-F 1U Server Xeon E3-1225v2 3.2GHz 32GB 0HD
$121.50