specifications: cpu: - intel socket 775 for intel core2 extreme / core2 quad / core2 duo / pentium dual-core / celeron dual-core / celeron support intel next generation 45nm multi-core cpu - intel hyper-threading technology ready support enhanced intel speedstep technology ( (eist) * chipset: intel g43 intel ich10 * front side bus: 1333/1066/800 mhz * memory: - 4 x240-pin dimm, max. 8 gb, ddr2 1066(o.c.)/800/667 non-ecc,un-buffered memory - dual channel memory architecture * expansion slots: - 1 x pcie x16 - 2 x pcie x1 - 1 x pci * vga: - integrated intel gma x4500 graphics with directx10 support - maximum shared memory of 352mb - supports hdmi technology with hdcp compliant with max. resolution 1920 x 1080p(@ 60hz) - supports dvi-d with hdcp compliant with max. resolution 1600x1200 (@ 60hz) - supports rgb with max. resolution 2048 x 1536 (@75hz) - dual vga output support: dvi & rgb rgb & hdmi dvi & hdmi" * storage: - southbridge: 6 xsata 3 gb/s ports - ext pata and sata controller 1 xultradma 133/100/66 for up to 2 pata devices 1 xexternal sata 3.0 gb/s port (sata on-the-go) * lan: pcie gigabit controller featuring ai net2 * audio: - realtek alc1200 8 -channel high-definition audio codec - support jack-sensing, enumeration, multi-streaming - support s/pdif out interface * ieee 1394: via vt6308p controller supports 1 x 1394a ports (one at midboard; one at back panel) * usb: 12 usb 2.0 ports (6 ports at mid-board,6 ports at back panel) * overclocking features: - sfs (stepless frequency selection) fsb tuning from 200mhz up to 600mhz at 1mhz increment memory tuning from 667mhz up to 1100mhz - overclocking protection asus c.p.r.(cpu parameter recall) * back panel i/o ports: - 1 x dvi - 1 x vga - 1 x ps/2 keyboard - 1 x hdmi - 1 x external sata - 1 x ieee 1394a - 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 support additional 6 usb ports - 1 x floppy disk drive connector - 1 x ide connector - 6 x sata connectors - 1 x ieee 1394a connector - 1 x cpu fan connector - 1 x chassis fan connector - 1 x power fan connector - 1 x azalia high definition analog front panel audio connector - 1 x s/pdif out connector - 1 x 4-pin atx 12v power connector - 1 x 24-pin eps 12v power connector - 1 x com connector - chassis intrusion connector - system panel connector - 1 x cd audio in connector - 1 x lpt connector * bios: - 8 mb flash rom - special h/w write protection - dmi 2.0 - ami bios - pnp - wfm 2.0 - sm bios 2.5 - acpi 2.0a * manageability: wol by pme,wor by pme,wor by ring * o/s compatibility: windows vista / windows xp * accessories: - 2 x serial ata cables - 1 x 2 in 1 serial ata power cable - 1 x ultradma 133/100 cable - 1 x fdd cable - 1 x i/o shield - user manual * support disc: - drivers - express gate - asus pc probe ii - asus liveupdate utility * form factor: - uatx form factor - 9.6 inch x 9.6 inch ( 24.4 cm x 24.4 cm )