ASUS P9X79 PRO Motherboard, Xeon 1620v2 4 Core 3.7Ghz CPU, 64GB RAM & 1TB SSD | eBay
Building a 32-Thread Xeon Monster PC for Less Than the Price of a Flagship Core i7 | TechSpot
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
Titan X650 - Dual 3rd Gen Intel Xeon Scalable Processors + Quad GPU - High Computing Server up to 80 Cores