CPU AMD Socket AM3 ;PhenomII /AthlonII /Sempron 100 Series Processors AMD 140W CPU Support AMD Cool 'n' Quiet Technology Supports 45nm CPU Chipset AMD 880G/SB710 System Bus Up to 5200 MT/s ; HyperTransport 3.0 Memory 4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture Expansion Slots 2 x PCIe 2.0 x16 support ATI CrossFireX Technology (blue @ x16 mode,gray @ x4 mode) 1 x PCIe 2.0 x1 3 x PCI VGA Integrated ATI Radeon HD 4250 GPU - Supports HDMI Technology with max. resolution up to 1920 x 1080 - Supports Dual-link DVI with max. resolution up to 2560x1600 @60Hz - Supports D-Sub with max. resolution up to 2048x1536 @85Hz - Dual independent displays support with HDMI / DVI and D-Sub - Supports DirectX 10.1, OpenGL 2.0, Shader Model 4.1, Universal Video Decoder (UVD) 2.0 - Hardware Decode Acceleration for H.264,VC-1, and MPEG-2 - Maximum shared memory of 1GB - ATI CrossFireX & Hybrid CrossFireX Support Integrated Memory SidePort Memory - onboard 128MB DDR3 1333 memory Storage SB710 Chipset 1 xUltraDMA 133/100/66 for up to 2 PATA devices 5 xSATA 3.0 Gb/s ports Support RAID 0,1,10,JBOD 1 x eSATA port (3Gb/s ready) LAN Realtek 8111E Gigabit LAN controller featuring AI NET2 Audio ALC892 8-Channel High Definition Audio CODEC - BD Audio Layer Content Protection - Supports 192khz/24bit True BD Lossless Sound - Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking - ASUS Noise Filter - Optical S/PDIF Out ports at back I/O IEEE 1394 VIA VT6308P controller supports 2 x 1394a port(s) (1 at mid-board; 1 at back panel) USB 12 USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at back panel) ASUS Unique Features ASUS Xtreme Design ASUS Hybrid Processor – TurboV EVO - Turbo Unlocker, TurboV, Turbo Key, Auto Tuning, CPU Level UP and GPU Boost ASUS Hybrid OS – Express Gate ASUS Hybrid Switches - Turbo Key II - Core Unlocker ASUS Exclusive Features - MemOK! - Anti-Surge protection ASUS Power Solutions: - 8+1 Phase Power Design - EPU ASUS Quiet Thermal Solution: - ASUS Fanless Design: Stylish heat sink solution - ASUS Fan Xpert ASUS EZ DIY: - ASUS CrashFree BIOS 3 - ASUS O.C. Profile - ASUS MyLogo 2 - ASUS EZ Flash 2 Overclocking Features Intelligent overclocking tools - TurboV EVO - GPU Boost - Turbo Key II Precision Tweaker 2 - vCore: Adjustable CPU voltage at 0.003125V increment - vChipset (N.B.): Adjustable chipeset voltage at 0.01V increment - vDIMM: Adjustable DRAM voltage at 0.015V increment SFS (Stepless Frequency Selection) - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment - HT frequency tuning from 100MHz up to 550MHz 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 External SATA 1 x S/PDIF Out (optical) 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 1 x Core Unlocker switch 1 x Turbo Key II switch 1 x MemOK! Button 3 x USB 2.0 connectors (6 ports) 1 x COM connector 1 x IDE connector 5 x SATA 3Gb/s connectors 1 x CPU Fan connector 2 x Chassis Fan connectors 1 x Power Fan connector 1 x Front panel audio connector 1 x IEEE 1394a connector 1 x S/PDIF Out Header 24-pin ATX Power connector 8-pin ATX 12V Power connector System Panel BIOS 16 Mb Flash ROM , AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, ASUS EZ Flash 2, ASUS CrashFree BIOS 3 Manageability WOL by PME,WOR by PME,WOR by Ring,PXE Accessories User's manual 1 x UltraDMA 133/100/66 cable 2 x SATA cable(s) I/O Shield Support Disc Drivers ASUS PC Probe II Express Gate Anti-virus software (OEM version) AMD OverDrive Utility (AOD) ASUS AI Suite II Form Factor ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )