CPU Support for an Intel Core™ i7 series processor in the LGA1366 package (Go to GIGABYTE’s website for the latest CPU support list.) L3 cache varies with CPU QPI 4.8GT/s, 6.4GT/s Chipset North Bridge: Intel X58 Express Chipset South Bridge: Intel ICH10R Memory 6 x 1.5V DDR3 DIMM sockets supporting up to 24 GB of system memory (Note 1) Dual/3 channel memory architecture Support for DDR3 2200/1333/1066/800 MHz memory modules Support for non-ECC memory modules Support for Extreme Memory Profile (XMP) memory modules (Go to GIGABYTEs website for the latest supported memory speeds and memory modules.)Audio Realtek ALC892 codec High Definition Audio 2/4/5.1/7.1-channel Support for Dolby Home Theater Support for S/PDIF In/Out Support for CD In LAN 1 x Realtek RTL8111E chip (10/100/1000 Mbit) Expansion Slots 2 x PCI Express x16 slots, running at x16 (PCIEX16_1/PCIEX16_2) (Note 2) (The PCIEX16_1 and PCIEX16_2 slots conform to PCI Express 2.0 standard.) 1 x PCI Express x16 slot, running at x4 (PCIEX4_1) (Note 3) 3 x PCI Express x1 slots 1 x PCI slot Multi-Graphics Technology Support for ATI CrossFireX™/NVIDIA SLI technology Technology (The PCIEX16_1 and PCIEX16_2 slots only.) Storage Interface South Bridge: 6 x SATA 3Gb/s connectors supporting up to 6 SATA 3Gb/s devices Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10 USB Integrated in the South Bridge: Up to 12 USB 2.0/1.1 ports (6 on the back panel, 6 via the USB brackets connected to the internal USB headers) NEC chip: Up to 2 USB 3.0/2.0 ports on the back panel * USB 3.0 10x performance is a maximum theoretical value. Actual performance may vary by system configuration. Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 6 x SATA 3Gb/s connectors 1 x CPU fan header 3 x system fan headers 1 x power fan header 1 x North Bridge fan header 1 x front panel header 1 x front panel audio header 1 x CD In connector 1 x S/PDIF In header 1 x S/PDIF Out header 3 x USB 2.0/1.1 headers 1 x clearing CMOS jumper Back Panel Connectors 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x coaxial S/PDIF Out connector 6 x USB 2.0/1.1 ports 2 x USB 3.0/2.0 ports 1 x RJ-45 port 6 x audio jacks (Center/Subwoofer Speaker Out/Rear Speaker Out/ Side Speaker Out/Line In/Line Out/Microphone) I/O Controller iTE IT8720 chip H/W Monitoring System voltage detection CPU/System/North Bridge temperature detection CPU/System/Power fan speed detection CPU overheating warning CPU fan fail warning CPU/System fan speed control (Note 4) BIOS 2 x 16 Mbit flash Use of licensed AWARD BIOS Support for DualBIOS™ PnP 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b Unique Features Support for @BIOS Support for Q-Flash Support for Xpress BIOS Rescue Support for Download Center Support for Xpress Install Support for Xpress Recovery2 Support for EasyTune (Note 5) Support for Dynamic Energy Saver™ 2 Support for Smart 6™ Support for Auto Green Support for eXtreme Hard Drive (X.H.D) Support for ON/OFF Charge Support for Q-Share Bundle Software Norton Internet Security (OEM version) Operating System Support for Microsoft Windows 7/Vista/XP Form Factor ATX Form Factor; 30.5cm x 24.4cm