EVGA Intel X58 and ICH10R Chipset EATX DDR3 800 LGA 1366 Motherboards 141-GT-E770-A1 CPU: Socket 1366 Support Intel Core i7 / Xeon Processor, QPI upto 6.4GT/s Memory: 6x 240pin DDR3-1600+/1333/1066/800 DIMMs, Triple Channel, Max Capacity upto 24GB Slots: 4x PCI-Express x16/8 Slots(Support 2-way SLI & 3-way SLI + PhysX & CrossFireX); 1x PCI-Express x1 Slot; 1x 32-bit PCI, support for PCI 2.1 IDE/SATA: 1x ATA-133 Channel; 6x SATA2 Ports, 2x SATA3 Ports, Support RAID 0, 1, 10, 5 and JBOD Ports: 12x USB 2.0 Ports (8 rear, 4 by headers); 2x USB 3.0 Ports; 1x PS/2 Ports; 2x IEEE 1394 Ports Form Factor: EATX Audio: Realtek ALC889 8-Channel High Definition Audio CODEC LAN: Dual Realtek RTL8111D Gigabit Ethernet Controllers