Dual Xeon Scalable Overclocking: ASUS WS C621E 'Sage' Workstation Motherboard Announced
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
24 Cores, 48 Threads for $360: Dual-X99 Jingsha Motherboard vs. AMD R9 3900X - YouTube
A99386-112 Intel XEON Dual CPU Motherboard with Memory Cooler (Refurbished)
Intel SE7520BD2SATAD2 SSI EEB 3.0 Server Motherboard - Newegg.com
Amazon.com: SHANGZHAOYUAN X99 Dual CPU Motherboard LGA 2011-3 Server Motherboard for Intel i7 5th/6th Gen Xeon E5 V3/V4 Series (E-ATX, 8*DDR4 ECC Max 256G, 2*NVME M.2, 2*Gb LAN, SATA 6Gb/s, PCIe 3.0) :
X79 S8 Dual CPU LGA 2011 Motherboard Support Intel E5 V1/V2 Processor 8*DDR3 RAM | eBay
JINGSHA X99 Dual CPU Motherboard Intel Xeon LGA 2011-3 E5 V3 CPU 8 DDR4 Slots ECC REG M.2 NVME USB3.0 E-ATX Server Motherboard - AliExpress
Amazon.com: SHANGZHAOYUAN X99 Dual CPU Motherboard LGA 2011-3 Server Motherboard for Intel i7 5th/6th Gen Xeon E5 V3/V4 Series (E-ATX, 8*DDR4 ECC Max 256G, 2*NVME M.2, 2*Gb LAN, SATA 6Gb/s, PCIe 3.0) :