For those cautious of parts from AliExpress. I have received both of these from the same seller, RE store. Both post, both identify correctly, all cores work and got them for 32
Amazon.com: SHANGZHAOYUAN X99 PR9 LGA 2011-3 Motherboard for Intel Xeon E5 V3 V4 LGA 2011-v3 Socket Processor (DDR4 Max 128GB, PCIe 3.0, M.2 Protocol, SATA 3.0, USB 3.0, Gigabit LAN) : Electronics