How did I do? HP ProLiant Gen8 Microserver, Just paid £80 (~$105) - 4GB DDR3 EEC RAM, Dual Core G1610T. : r/homelab
XCP-ng READY SERVER HP MicroServer DUAL Gigabit , Xeon E3 2.30GHz 4 HDD SLOTS | eBay
ProLiant MicroServer Gen10 Plus Entry - Server - Ultra-Micro-Tower - 1-way - 1 x Pentium Gold G5420 / 3.8 GHz - RAM 8 GB - SATA - non Hot-Swap 8.9 cm (3.5") - no HDD
Amazon.com: Hpe 831065-S01 ProLiant ML30 Gen9 Server, 4 GB RAM, No HDD, Matrox G200, Black : Electronics