RMA Asrock Z97 EXTREME3, Intel 1150 Socket Z97 Chipset ATX Motherboard, Premium Alloy Choke, Supports 4th 5th Generation Intel Core i7 i5 i3 Pentium Celeron Processors (Socket 1150), 4th Generation Intel Xeon Core, Supports Dual Channel DDR3 3100 , 2 PCIe 3.0 x16, 1 PCIe 2.0 x1, 3 PCI, Supports AMD Quad CrossFireX and NVIDIA Quad SLI, Graphics Output Options: D-Sub, DVI-D, HDMI, Supports Triple Monitor, 7.1 CH HD Audio Nichicon Fine Gold Series Audio Caps, Intel Gigabit LAN, 6 SATA3, 6 USB 3.0 (2 Front, 4 Rear), 6 USB 2.0 (4 Front, 2 Rear), 1 COM Port Header