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 2133(O.C.)/2000(O.C.)/1600/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture Expansion Slots 5 x PCIe 2.0 x16 (dual @ x16, triple @x16, quad@x16 x16 x8 x8) 1 x PCI 2.2 Multi-GPU Support Support Lucid HYDRALOGIX / ATI CrossFireX Technology Storage SB850 Chipset 6 xSATA 6.0 Gb/s ports Support RAID 0,1,5,10 2 x JMicron 363 controllers: 2 x SATA 3Gb/s ports (Gray) 1 x Power External SATA 3Gb/s ports at rear (SATA On-the-Go) 1 x External SATA 3Gb/s ports at rear (SATA On-the-Go) LAN Intel Gigabit LAN Audio 8-Channel High Definition Audio CODEC - Blu-ray audio layer Content Protection - Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking - Supports 1 Optical S/PDIF out port at back I/O USB NEC USB3.0 Controller: - 2 x USB 3.0/2.0 ports at rear AMD SB850 chipset: - 13 x USB 2.0/1.1 ports (6 ports at mid-board, 6 ports at rear, 1 port at rear is also for ROG connect) ASUS Unique Features CPU Level Up MemOK! Onboard Switches: Power / Reset / Core Unlocker / Clr CMOS (at rear) Q-Fan Plus ASUS Fan Xpert ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) ASUS Q-Connector ASUS Q-Shield ASUS Q-Fan 2 ASUS EZ Flash 2 ASUS CrashFree BIOS 3 ASUS MyLogo 3 Overclocking Features ROG Connect RC Bluetooth ROG iDirect Power Design: - 8+2 phase CPU power design with ML Cap USB BIOS Flashback BIOS Flashback with onboard switch button Extreme Tweaker ProbeIt iROG PCIe x16 Lane Switch 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) Back Panel I/O Ports 2 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 Clr CMOS switch 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 RC Bluetooth switch Internal I/O Connectors 3 x USB connectors supports additional 6 USB 2.0 ports 1 x IEEE 1394a connector 1 x S/PDIF Out connector 1 x En/Dis-able Clr CMOS connector Front panel audio connector System Panel connector 8 x SATA connectors: 6 x SATA 6Gb/s connectors (Red) & 2 x SATA 3Gb/s connectors (Gray) 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 24-pin ATX power connector 1 x 8-pin ATX 12V power connector 2 x EZ Plug connectors (4-pin Molex Power connectors) 1 x OC Station header 1 x RC Bluetooth header 1 x Core unlocker switch 1 x Power on switch 1 x Reset switch 1 x Go Button 1 x BIOS switch button 1 x Fan connector for thermal module 1 x ROG light 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 ProbeIt cable set 1 x 2-in-1 ASUS Q-Connector Kit 3 x 2-in-1 SATA 6.0Gb/s Cables 1 x 2-in-1 SATA 3.0Gb/s Signal Cables 1 x Multi-functional module (1-port IEEE 1394a + 2-port USB2.0) 1 x Thermal Sensor Cable Pack 1 x Crossfire cable 1 x Cable Ties Pack 1 x ROG Theme Label 1 x 12-in-1 ROG Cable Label 1 x RC Bluetooth card Bluetooth Module Accessory Card - Bluetooth V2.0/V2.1+EDR - RC Bluetooth On/Off Switch Support Disc Drivers Kaspersky Anti-Virus ASUS AI Suite II 3DMark Vantage Form Factor Extended ATX Form Factor 12 inch x 10.6 inch ( 30.5 cm x 26.9 cm ) 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.