CPU Support for Intel Core™ i 7 processors/ Intel Core™ i 5 processors/ Intel Core™ i 3 processors/ Intel Pentium processors/ Intel Celeron processors in the LGA1155 package. (Go to GIGABYTEs website for the latest CPU support list.) L3 cache varies with CPU Chipset Intel P67 Express Chipset Memory 4 x 1.5V DDR3 DIMM sockets supporting up to 32 GB of system memory * Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB. Dual channel memory architecture Support for DDR3 2133/1866/1600/1333/1066 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 & memory modules.) Audio Realtek ALC889 codec High Definition Audio 2/4/5.1/7.1-channel * To configure 7.1-channel audio, you have to use an HD front panel audio module & enable the multi-channel audio feature through the audio driver. Support for S/PDIF Out LAN 1 x Realtek RTL8111E chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 (PCIEX16) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. 1 x PCI Express x 16 slot, running at x 4 (PCIEX4) * When the PCIEX1_2 or PCIEX1_3 slot is populated with an expansion card, the PCIEX4 slot will operate at up to x 1 mode. 3 x PCI Express x 1 slots (All PCI Express slots conform to PCI Express 2.0 standard.) 2 x PCI slots Multi-Graphics Technology Support for ATI Cross Fire X™ technology * The PCIEX16 slot operates at up to x 4 mode when ATI Cross Fire X™ is enabled. Storage Interface Chipset: 2 x SATA 6 Gb/s connectors (SATA3_0, SATA3_1) supporting up to 2 SATA 6 Gb/s devices 4 x SATA 3 Gb/s connectors (SATA2_2~SATA2_5) supporting up to 4 SATA 3 Gb/s devices Support for SATA RAID 0, RAID 1, RAID 5, & RAID 10 * When a RAID set is built across the SATA 6 Gb/s & SATA 3 Gb/s channels, the system performance of the RAID set may vary depending on the devices being connected. USB (Universal Serial Bus) Chipset: Up to 10 USB (Universal Serial Bus) 2.0/1.1 ports (4 on the back panel, 6 via the USB (Universal Serial Bus) brackets connected to the internal USB (Universal Serial Bus) headers) Etron EJ168 chip: Up to 2 USB (Universal Serial Bus) 3.0/2.0 ports on the back panel. Internal I/O Connectors 1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 2 x SATA 6 Gb/s connectors 4 x SATA 3 Gb/s connectors 1 x CPU fan header 2 x system fan headers 1 x power fan header 1 x front panel header 1 x front panel audio header 1 x S/PDIF Out header 3 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x clearing CMOS jumper 1 x Trusted Platform Module (TPM) header Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x parallel port 1 x serial port 1 x optical S/PDIF Out connector 4 x USB (Universal Serial Bus) 2.0/1.1 ports 2 x USB (Universal Serial Bus) 3.0/2.0 ports 1 x RJ-45 port 3 x audio jacks (Line In/ Line Out/ Microphone) I/O Controller i TE IT8728 chip H/W Monitoring System voltage detection CPU/ System temperature detection CPU/ System/ Power fan speed detection CPU overheating warning CPU/ System/ Power fan fail warning CPU/ System fan speed control * Whether the CPU/system fan speed control function is supported will depend on the CPU/system cooler you install. BIOS 2 x 32 Mbit flash Use of licensed AWARD BIOS Support for Dual BIOS™ Pn P 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 Recovery 2 Support for Easy Tune * Available functions in Easy Tune may differ by motherboard model. Support for Smart 6™ Support for Auto Green Support for e Xtreme Hard Drive (X.H.D) Support for ON/OFF Charge Support for Cloud OC 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 21.5cm