MSI Extreme Gaming Intel X99 LGA 2011 DDR4 USB 3.1 ATX Motherboard (X99A SLI Krait Edition) 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, 4 via headers), 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