Chipset: Intel X58 / ICH10R CPU SUPPORT Intel Core i7 Extreme ProcessorIntel Core i7 Processor QPI Support QPI 6.4GT/s MEMORY Support Triple Channel DDR3 800/1066/1333(OC)/1600(OC)/2000(OC) MHz6 x DDR3 DIMM Memory SlotMax. Supports up to 24GB Memory EXPANSION SLOT 2 x PCI Slots1 x PCI-E x1 2.0 Slot3 x PCI-E x16 2.0 Slot (x16,x16,x4) STORAGE 6 x SATA2 3Gb/s Connector (Support RAID: 0,1,5,10)2 x eSATA2 3Gb/s Connector (Support RAID: 0,1)1 x IDE Connector USB 8 x USB 2.0 Port2 x USB 2.0 Header GbE Realtek RTL8111C - 10/100/1000 Controller CODEC Realtek ALC888S 8+2 Channel HD Audio REAR I/O 1 x PS/2 Keyboard2 x eSATA2 3Gb/s Connector8 x USB 2.0 Port1 x RJ-45 Port6 x Audio Connector1 x S/PDIF Out Port INTERNAL I/O 2 x USB 2.0 Header6 x SATA2 3Gb/s Connector1 x IDE Connector1 x Floppy Connector1 x Front Audio Header1 x Front Panel Header1 x CD-IN Header1 x S/PDIF-OUT Header1 x CPU FAN Header2 x System FAN Header DIMENSION ATX Form Factor Dimension: 30.5 cm X 24.4 cm ( W x L ) OS SUPPORT Support Windows 2000 / XP / XP 64 / Vista / Vista 64 ACCESSORIES 1 x IDE Cable4 x SATA Cable2 x SATA Power Cable1 x SLI Setter1 x I/O Shield1 x CD Driver1 x User Manual