EVGA X79 FTW (LGA2011) SandyBridge-E, ATX, 3-Way SLI +PhysX Intel DDR3 2133 Ready Motherboard (151-SE-E777-KR) Supports Sandy Bridge E (Enthusiest) Processors Intel X79 Chipset Enthusiest Layout Supporting 2-Way SLI, 3-Way SLI, 3-Way SLI plus PhysX & CrossfireX 4 DIMM Quad-Channel DDR3 2133MHz+ (up to 32GB) PCI express 3.0 Ready 5 PCI express Graphics Expansion Slots (plus 1 x PCI-E x1 slots) 10xUSB 2.0, 10xUSB 3.0 ports, Supports Bluetooth, 2xSATA III/6G ports, 4 SATA II/3G Ports (2 E-SATA), 1394b Firewire, 2 x Gigabit Ethernet (10/100/1000) 8 Channel High Definition Audio + Optical, E-ATX Form Factor