LGA 2011-v3 Chipset: Intel X99 Express Memory: 8x DDR4-3333(OC)/ 3110(OC)/ 3000(OC)/ 2750(OC)/ 2666(OC)/ 2600(OC)/ 2400(OC)/ 2200(OC)/ 2133 DIMM Slots, Quad-Channel, Non-ECC, Unbuffered, Max Capacity up to 128GB Slots: 4x PCI-Express 3.0 x16 Slots, 2x PCI-Express 2.0 x1 Slots SATA: 10x SATA3 Ports, 1x SATA Express Port; M.2: 1x M.2 Port Ports: 2x USB 3.1 Ports (rear), 10x USB 3.0 Ports (6 rear, 2 via header), 6x USB 2.0 Ports (2 rear, 4 via headers), 1x PS/2 Keyboard/Mouse Combo Port, 1x Optical S/PDIF Out, 1x RJ45 LAN Port, Audio I/O Jacks