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 L3 cache varies with CPU (Some Intel Core™ processors require a graphic card, please refer "CPU support List" for more information.) Chipset Intel Z77 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 1600/1333/1066 MHz memory modules Support for non-ECC memory modules Support for Extreme Memory Profile (XMP) memory modules (Please refer " Memory Support List" for more information.) Onboard Graphics Integrated Graphics Processor: 1 x D-Sub port 1 x DVI-D port, supporting a maximum resolution of 1920x 1200 * The DVI-D port does not support D-Sub connection by adapter. 1 x HDMI port, supporting a maximum resolution of 1920x 1200 Audio VIA VT2021 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 Atheros Gb E LAN chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 (PCIEX16) (The PCIEX16 slot conforms to PCI Express 3.0 standard.) * For optimum performance, if only one PCI Express graphics card is to be installed, be sure to install it in the PCIEX16 slot. * The PCI Express x 16 slot supports up to PCI Express 2.0 standard when an Intel 32nm (Sandy Bridge) CPU is installed. 1 x PCI Express x 16 slot, running at x 4 (PCIEX4) 1 x PCI Express x 1 slot (The PCIEX4 & PCIEX1 slots conform to PCI Express 2.0 standard.) 1 x PCI slot Multi-Graphics Technology Support for AMD Cross Fire X™ technology * The PCIEX16 slot operates at up to x 4 mode when AMD Cross Fire X™ is enabled. Storage Interface Chipset: 2 x SATA 6 Gb/s connectors (SATA3 0/1) supporting up to 2 SATA 6 Gb/s devices 4 x SATA 3 Gb/s connectors (SATA2 2/3/4/5) supporting up to 4 SATA 3 Gb/s devices Support for 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 ports on the back panel, 6 ports available through the internal USB (Universal Serial Bus) headers) Up to 4 USB (Universal Serial Bus) 3.0/2.0 ports (2 ports on the back panel, 2 ports available through the internal USB (Universal Serial Bus) headers) * In Windows XP, the Intel USB (Universal Serial Bus) 3.0 ports can support up to USB (Universal Serial Bus) 2.0 transfer speed. 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 front panel header 1 x front panel audio header 1 x S/PDIF Out header 1 x USB (Universal Serial Bus) 3.0/2.0 header 3 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x serial port header 1 x parallel port 1 x Trusted Platform Module (TPM) header 1 x Clear CMOS jumper Back Panel Connectors 1 x PS/2 keyboard/mouse port 1 x D-Sub port 1 x DVI-D port 1 x HDMI port 2 x USB (Universal Serial Bus) 3.0/2.0 ports 4 x USB (Universal Serial Bus) 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks (Line In/ Line Out/ Microphone) I/O Controller i TE I/O Controller Chip H/W Monitoring System voltage detection CPU/ System temperature detection CPU/ System fan speed detection CPU overheating warning CPU/ System 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 64 Mbit flash Use of licensed AMI EFI BIOS Support for Dual BIOS™ Pn P 1.0a, DMI 2.0, SM BIOS 2.6, ACPI 2.0a Unique Features Support for @BIOS Support for Q-Flash Support for Xpress Install Support for Xpress Recovery 2 Support for e Xtreme Hard Drive (X.H.D) Support for Auto Green Support for ON/OFF Charge Support for Q-Share Support for LAN Optimizer (Intelligent optimization network management tool) Bundle Software Norton Internet Security (OEM version) Intel Rapid Start Technology Intel Smart Connect Technology Intel Smart Response Technology Operating System Support for Microsoft Windows 7/XP Form Factor Micro ATX Form Factor; 24.4cm x 22.0cm