MB Supermicro X11SPM-F-O, 1xLGA 3647, C622, 6xDDR4 Up to 1.5 TB 3DS ECC RDIMM/3DS ECC LRDIMM, 2 PCI-E 3.0 x16, 1 PCI-E 3.0 x8 (in x8), 12 SATA3, Supports 12V DC power input, 1 VGA, 2 COM, TPM header, 5 USB 3.0 (2 rear, 1 Type-A, 2 via header), 6 USB 2.0 (2 rear, 4 via headers), M.2 NGFF connector, M.2 Interface: PCI-E 3.0 x4 and SATA, Form Factor: 2280, 22110, Key: M-Key, Double Height Connector, 2 GbE LAN ports