Shop for X79A-GD45 MSI Desktop System Board (Motherboard) Intel Socket LGA-2011 ATX 1 x Processor Support 64GB DDR3 SDRAM Maximum RAM SLI CrossFireX Support Serial ATA/600 Serial ATA/300 Yes Controller No 3 x PCIe x16 Slot 2 x USB 3.0 Port at ETechBuy.com