EVGA X79 Classified (LGA2011) XL-ATX, Intel DDR3 2133, 4-Way SLI or CrossFireX Motherboard (151-SE-E779-K3) Supports Intel Core i7 Processor Family for LGA-2011 socket Intel X79 Chipset Enthusiast Layout Supporting 2-Way SLI, 3-Way SLI, 4-Way SLI or CrossfireX 4 DIMM Quad-Channel DDR3 2133MHz+ (up to 32GB) 5 PCI Express 3.0 Graphics expansion Slots 4 x Serial ATA 300MB/sec (4x Internal) with support for RAID 0, RAID1, RAID 0+1, RAID5, RAID10 and JBOD 4 x Serial ATA 600MB/sec (2x Internal + 2x E-SATA) with support for RAID 0 and RAID1 10 USB 3.0 Ports (eight rear panel, two onboard) and Supports Bluetooth XL-ATX Form factor