REVIZE 3.0. *CPU Intel® Socket 1155 for Intel® 2nd Generation Core™ i7 Processor/Core™ i5 Processor/Core™ i3 Processor/ Support Enhanced Intel SpeedStep Technology (EIST) Supports Intel® Turbo Boost Technology 2.0 Refer to www.asus.com for Intel® CPU support list. The Intel® Turbo Boost Technology 2.0 support depends on the CPU types. *Chipset Intel® H61(B3) Chipset *Memory 2 x DIMM, Max. 16 GB, DDR3 1333/1066 Non-ECC,Un-buffered Memory Dual Channel memory architecture Supports Intel® Extreme Memory Profile (XMP) According to Intel® SPEC, the Max. 16GB memory capacity can be supported with DIMMs of 8GB (or above). ASUS will update QVL once the DIMMs are available on the market. Please refer to www.asus.com or user manual for Memory QVL. When installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended. *Expansion Slots 1 x PCIe 2.0 x16 2 x PCIe 2.0 x1 1 x PCI *VGA Support dual VGA output: HDMI/DVI & D-Sub - Supports HDMI™ Technology with max. resolution up to 1920 x 1200 @60Hz - Supports Single-link DVI with max. resolution up to 1920 x 1200 @60Hz - Supports D-Sub with max. resolution 2048x1536 @75Hz - Supports DirectX 10.1 - Intel® Quick Sync Video Technology Support *Storage Intel® H61(B3) Express Chipset 4 xSATA 3.0 Gb/s ports *LAN Realtek® RTL8111E Gigabit LAN controller *Audio Realtek® ALC887 8-Channel Audio CODEC - Optical S/PDIF out @back pannel - Supports Jack-Detection, Front Panel Jack-Retasking(HD only) Use a chassis with HD audio module in the front panel to support an 8-channel audio output. *USB 10 USB 2.0/1.1 ports (4 ports at mid-board, 6 ports at back panel) *ASUS Unique Features - 100% All High-quality Conductive Polymer Capacitors - ASUS Turbo V - Anti-Surge Protction - ASUS EPU - GPU Boost - AI Suite II - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 *Overclocking Features SFS (Stepless Frequency Selection) - Internal Base Clock tuning from 80MHz up to 300MHz at 1MHz increment Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall) *Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x DVI 1 x D-Sub 1 x HDMI 1 x LAN(RJ45) port(s) 6 x USB 2.0/1.1 1 x S/PDIF Out (Optical) 3 x Audio jacks *Internal I/O Connectors 2 x USB 2.0/1.1 connector(s) support additional 4 USB ports 4 x SATA 3.0Gb/s connector 1 x CPU Fan connector(s) 1 x Chassis Fan connector(s) 1 x LPT connector 1 x S/PDIF Out connector 1 x 24-pin ATX Power connector 1 x 4-pin ATX 12V Power connector 1 x Front panel audio connector 1 x COM 1 x System Panel connector *BIOS 32 Mb Flash ROM , EFI AMI BIOS, PnP, DMI2.0, WfM2.0, ACPI v2.0a, SM BIOS v2.6, Multi-language BIOS *Accessories 1 x I/O Shield 2 x SATA 3.0Gb/s cables 1 x User's manual 1 x Support DVD *Support Disc Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities *Form Factor uATX Form Factor 9.6 inch x 8.4 inch ( 24.4 cm x 21.3 cm