25 Brand New sealed T2H Dual LGA-3647 socket blade server motherboard | eBay
ASUS WS C621E Sage EEB Server Motherboard Dual LGA 3647 Intel C621 889349910375 | eBay
Amazon.com: ASUS WS C621E Sage Extreme Power Intel® Xeon® Processor Workstation Motherboard for Two-way XEON CPU performance, with U.2, M.2 connectors, dual Gb LAN, USB 3.1 Type-C & Type-A, 10 x SATA