CPU Intel Socket 775 Core2 Quad/Core2 Extreme/Core2 Duo/Pentium dual-core Support Intel 45nm CPU Intel Hyper-Threading Technology ready Support Enhanced Intel SpeedStep Technology (EIST) Chipset Intel G43 / ICH10 Front Side Bus 1333/1066/800 MHz Memory 4 x DIMM, Max. 16 GB, DDR2 1066(O.C.)/800/667 Non-ECC,Un-buffered Memory Dual Channel memory architecture Expansion Slots 1 x PCIe 2.0 x16 1 x PCIe 2.0 x1 2 x PCI VGA Integrated Intel GMA X4500 graphics Maximum shared memory of 1759M Supports DVI-D with HDCP compliant with max. resolution 1920x1200 (@ 60Hz) Supports HDMI with max. resolution 1920X1080(@ 60Hz) Supports RGB with max. resolution 2048 x 1536 (@75Hz) Supports Microsoft DirectX 10 Dual VGA output support: DVI & HDMI DVI & RGB RGB & HDMI Storage Southbridge 6 xSATA 3 Gb/s ports JMicron JMB368 PATA controller 1 xUltraDMA 133/100 LAN RTL8112 PCIe Gb LAN Audio ALC887 8 -Channel High-Definition Audio CODEC Optical S/PDIF output Support Jack Detection and Multi-streaming USB 12 USB 2.0 ports (6 ports at mid-board, 6ports at back panel) ASUS Unique Features ASUS AI Lifestyle - ASUS Express Gate ASUS Quiet Thermal Solution - ASUS Q-Fan 2 ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - Turbo Key - AI NET2 - ASUS EPU 4-Engine Overclocking Features SFS (Stepless Frequency Selection) - FSB tuning from 200MHz to 800MHz at 1MHz increment Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall) Back Panel I/O Ports 1 x DVI 1 x D-Sub 1 x PS/2 Keyboard 1 x HDMI 1 x S/PDIF Out (optical) 1 x LAN(RJ45) port 6 x USB 2.0/1.1 8 -Channel Audio I/O Internal I/O Connectors 3 x USB connectors (6ports) 1 x IDE connector 1 x CPU Fan connector 1 x Chassis Fan connector 1 x Power Fan connector 1 x S/PDIF Out connector Front panel audio connector COM connector System Panel connector 1 x LPT connector CD audio in 1 x 24-pin EPS12V Power connector 4-pin ATX 12V Power connector BIOS 8 Mb Flash ROM AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a Manageability WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE Accessories User's manual 1 x UltraDMA 133/100/66 cable 1 x SATA cable I/O Shield Support Disc Drivers ASUS PC Probe II Anti-virus software (OEM version) ASUS Update Form Factor uATX Form Factor 9.6 inch x 8.8 inch ( 24.4 cm x 22.4 cm )