EVGA Z75 SLI, LGA 1155 INTEL Z75 CHIPSET, SATA 6Gb/s, USB3.0, ATX DDR3 2133 Intel Motherboards 131-IB-E695-KR Supports INTEL Core i5 and i7 Socket 1155 Processors INTEL Z75 Chipset Enthusiast Layout Supporting 2-Way SLI plus PhysX or CrossFireX 4 DIMM Dual-Channel DDR3 2133MHz+ (up to 32GB) 2 PCI Express 3.0 Graphics Expansion Slots 10 USB 2.0 Ports (six rear panel, four onboard) 4 USB 3.0 Ports (two rear panel + two onboard) 4 SATA III/6G and 6 SATA II/3G Prots (2 E-SATA)