Using knoppix on laptops. LCD screens, APM, PCMCIA ...
HP ProLiant MicroServer Gen8 Desktop Computer Intel Core i3-3240 8GB Ram
$224.99
1U BareMetal pfsense opnsense Router Firewall DNS Server 6x 10GB Ethernet Ports
$149.00
ReachEngine Supermicro 119-7 X9DRW-7/iTPF 2X E5-2660v2 132GB DDR3 NO HDD/OS #73
$136.00
1U Supermicro Server 10 Bay 2x Intel Xeon 3.3Ghz 8C 128GB RAM 480GB SSD 2x 10GBE
$273.00
HP ProLiant MicroServer Gen8/4x seagate desktop hdd 1000gb cpu e3-1220l v2 rms8g
$257.92
HP ProLiant MicroServer Gen8 G8 G2020T 8GB RAM 4x 1TB HDD 4x 3.5" 712318-421
$269.99
HPE 658553-001 ProLiant MicroServer Ultra Micro Tower Server - 1 x AMD Turion II
$365.00
DATTO-1000 Mini PC Micro Server 8GB RAM
$67.48
Supermicro 1U Server X8DTU-F 2x Xeon X5670 2.93ghz Hex Core / 96gb / DVD
$279.99
Supermicro Server 1U X10DRD-iNT 2x NVME U.2 Bays 2x E5-2640 V4 32GB RAM 2x PSU
$360.00