MSI Extreme Gaming Intel X99 LGA 2011 DDR4 USB 3.1 ATX Motherboard (X99A Gaming 7) Refer the user manual below for troubleshooting Chipset: Intel X99 Express Memory: 8x DDR4-3333(OC)/ 3110/ 3000/ 2750/ 2666/ 2600/ 2400/ 2200/ 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