Supermicro X11SPA-TF E-ATX Motherboard LGA-3647 WorkStation Server Board Rev 1.0
$499
Tested in good working order. Motherboard and I/O shield only. Single Socket LGA-3647 (Socket P) supported, CPU TDP supports Up to 205W TDP. Up to 3TB 3DS ECC LRDIMM, DDR4-2933MT/s; Up to 3TB 3DS ECC RDIMM, DDR4-2933MT/s.