AMD EPYC 7552 CPU 48 Cores 96 Threads CPU Socket SP3 200W L3 Cache 192MB 2.2 GH Up to 3.3 GHz + Supermicro H11SSL-i Mainboard Motherboards Server - Newegg.com
Refurbished: Gigabyte MZ32-AR0 Motherboard REV 1.0 for AMD EPYC 7002 Series CPU E-ATX Socket SP3 2 x 1GbE LAN Ports Fully support 280W DDR4 Memory Supported Only - Newegg.com
NeweggBusiness - ASUS KNPA-U16 Socket SP3 DDR4 M.2 EEB Server Motherboard for AMD EPYC 7000 Series Processors with OCulink NVMe, Dual Gigabit LAN, USB 3.0 and 12 x SATA3 Ports