Using knoppix on laptops. LCD screens, APM, PCMCIA ...
Dell PowerEdge R720 Server - 2x8c CPU,256Gb RAM, 128Gb SSD/3x900Gb SAS, Proxmox
$340.00
CISCO MCS 7800 (2x) Intel Xeon @ 2.33 GHz 4GB Ram, NO HDD
$44.99
HP ProLiant DL360 G9 Server 2x E5-2660v3 2.60Ghz 20-Core 96GB P440ar
$304.35
Dell PowerEdge R730 8SFF 2x E5-2660 v3 = 20 Cores 128/256GB 3x 600/900GB H730
$349.99
Intel Xeon E5-2680 v4 2.4GHz 35MB 14-Core 120W LGA2011-3 SR2N7
$17.99
Intel Xeon Gold 6140 SR3AX 2.3GHz 18-Core Processor CPU
$44.99
Intel Xeon E5-2697 v2 2.7GHz 30M 12-Core LGA2011 CPU Processor SR19H
$27.99
HP Z4G4 Intel Xeon W2133-3.6 GHz, 256 NVME, 6TB HDD, 32GB RAM P620 NO OS
$265.00
HP ProLiant DL380 Gen9 16SFF 2x E5-2680v4 2.4GHz =28 Cores 64GB P840 4xRJ45
$353.00
DELL PowerEdge R730 Server 2x E5-2690v3 2.6GHz =24 Cores 32GB H730 4xRJ45
$274.00