CPU AMD Socket AM3 ;PhenomII /AthlonII /Sempron 100 Series Processors AMD 140W CPU Support AMD Cool 'n' Quiet Technology Supports 45nm CPU Chipset AMD 890FX/SB850 System Bus Up to 5200 MT/s ; HyperTransport 3.0 Memory 4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1800(O.C.)/1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture Expansion Slots 3 x PCIe 2.0 x16 (dual @ x16, triple @x16 x8 x8) 1 x PCIe 2.0 x4 2 x PCI 2.2 Multi-GPU Support Support ATI CrossFireX Technology graphics cards Storage SB850 Chipset 6 xSATA 6.0 Gb/s ports Support RAID 0,1,5,10 JMicron JMB363 PATA and SATA controller 1 xSATA 3Gb/s port (Black) 1 xExternal power SATA 3Gb/s port on rear (SATA On-the-Go) LAN Marvell 8059 Gigabit LAN controller Audio SupremeFX X-Fi built-in 8-Channel High Definition Audio CODEC - EAX Advanced HD 4.0 - X-Fi CMSS-3D - X-Fi Crystalizer - Creative ALchemy - Supports Blu-ray audio layer content protection - Supports 1 Optical S/PDIF out port at back I/O - Supports 1 x S/PDIF out header - Supports Jack-detection, Multi-streaming, Front Panel Jack-retasking IEEE 1394 2 x 1394a port(s) (1 port at back I/O, 1 port onboard) USB NEC USB 3.0 controller - 2 x USB 3.0/2.0 ports (at back I/O) AMD SB850 chipset - 12 x USB 2.0 ports (5 ports at mid-board, 7 ports at back I/O, 1 port at back I/O is also for ROG connect) Overclocking Features ROG Connect GameFirst Extreme Tweaker Power Design: - 8+2 phase CPU power design CPU Level Up MemOK! iROG Loadline Calibration Intelligent overclocking tools: - ASUS TurboV Evo - O.C Profile Overclocking Protection: - COP EX (Component Overheat Protection - EX) - Voltiminder LED - ASUS C.P.R.(CPU Parameter Recall) Special Features Turbo Unlocker Turbo Key II Core Unlocker ASUS Q-Connector ASUS Q-Shield ASUS Q-Fan 2 ASUS EZ Flash 2 ASUS CrashFree BIOS 3 ASUS MyLogo 3 Back Panel I/O Ports 1 x External SATA 1 x S/PDIF Out (Optical) 1 x IEEE 1394a 1 x LAN(RJ45) port 8 -Channel Audio I/O 1 x PS/2 Keyboard port(purple) 2 x USB 3.0/2.0 ports 7 x USB 2.0/1.1 ports (1 port is also for ROG Connect) 1 x ROG Connect On/Off switch 1 x Clr CMOS switch Internal I/O Connectors 3 x USB 2.0 connectors supports additional 5 USB 2.0 ports 6 x SATA 6Gb/s connectors (Red) 1 x SATA 3Gb/s connectors (Black) 8 x Fan connectors: 1 x CPU / 1 x PWR / 3 x Chassis / 3 x Optional 7 x ProbeIt measurement points 3 x Thermal sensor connectors 1 x IEEE1394a connector 1 x SPDIF_out connector 1 x 24-pin ATX power connector 1 x 8-pin ATX 12V power connector 1 x En/Dis-able Clr CMOS switch 1 x Core unlocker switch 1 x Turbo key II switch 1 x Power on switch 1 x Reset switch 1 x OC Station Header 1 x Go Button System panel connector BIOS 16 Mb Flash ROM AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.4, ACPI2.0a Multi-Language BIOS Manageability WOL by PME,WOR by PME,PXE Accessories User's manual 1 x I/O Shield 1 x ROG Connect Cable 1 x 2-in-1 ASUS Q-Connector Kit 1 x 2-in-1 SATA 6.0Gb/s Cables 2 x 2-in-1 SATA 3.0Gb/s Signal Cables 1 x 2-port USB2.0 + ESATA Module 1 x Crossfire Cable 1 x Cable Ties Pack 1 x ROG Theme Label 1 x 12-in-1 ROG Cable Label Support Disc Support DVD: - Drivers and applications * ASUS PC Probe II * ASUS Update * ASUS AI Suite * Sound Blaster X-Fi Utility * Kaspersky Anti-Virus 1-year license Form Factor ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x24.5 cm ) It is highly recommended to always use the most recent driver version available. Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.