Supermicro Socket SP3, AMD (H12SSL-I) Motherboard for sale online | eBay
Amazon.com: Dynatron A31 AMD EPYC, Socket SP3, Copper Heatsink with Vapor Chamber Base and Stacked Fin, 8013 Aluminum PWM Blower for Heat Exhausting, for 1U Server up to CPU Power 180 Watts :