CPU AMD AM3+ FX/Phenom II/Athlon II/Sempron 100 Series Processors AMD 140W CPU Support AMD Cool 'n' Quiet Technology Chipset AMD 870/SB850 Memory 4 x DIMM, Max. 16GB, DDR3 2000(O.C.)/1600(O.C.)/1333/1066 Hz ECC, Non-ECC, Un-buffered Memory Dual Channel Memory Architecture System Bus Up to 5.2 GT/s HyperTransport 3.0 Expansion Slots 1 x PCIe 2.0 x16 2 x PCIe x1 3 x PCI Storage AMD SB850 controller : 6 x SATA 6Gb/s port(s), gray Support Raid 0, 1, 5, 10, JBOD LAN Realtek 8111E , 1 x Gigabit LAN Controller Audio Realtek ALC 887 8-Channel High Definition Audio CODEC - Supports : Multi-streaming, Front Panel Jack-retasking, Anti-pop Function USB Ports AMD SB850 controller : 12 x USB 2.0 port(s) (4 at back panel, black, 8 at mid-board) ASMedia AMS1042 controller : 2 x USB 3.0 port(s) (2 at back panel, blue) Overclocking Features Overclocking Protection : - ASUS C.P.R.(CPU Parameter Recall) Special Features ASUS Hybrid Swtich - Core Unlocker - Turbo Key ASUS Power Solutions - ASUS Anti-Surge Protection - ASUS EPU ASUS Exclusive Features - MemOK! - TurboV ASUS EZ DIY - ASUS AI Suite II - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 Back I/O Ports 1 x PS/2 keyboard/mouse combo port(s) 1 x LAN (RJ45) port(s) 2 x USB 3.0 4 x USB 2.0 1 x COM port(s) 1 x Parallel port(s) 3 x Audio Jack(s) Internal I/O Ports 4 x USB 2.0 connector(s) support(s) additional 8 USB 2.0 port(s) 6 x SATA 3Gb/s connector(s) 1 x CPU Fan connector(s) 1 x Chassis Fan connector(s) 1 x Power Fan connector(s) 1 x S/PDIF out Header(s) 1 x 24-pin EATX Power connector(s) 1 x 4-pin ATX 12V Power connector(s) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) 1 x MemOK! button(s) 1 x Core Unlocker switch(es) Accessories User's manual I/O Shield 2 x Serial ATA 6.0Gb/s cable(s) BIOS 16Mb Flash ROM, AMI BIOS, PnP, DMI v2.0, WfM2.0, ACPI v2.0a, SMBIOS 2.5 Support Disc Drivers ASUS utilities ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor 12 inch x 8.4 inch ( 30.5 cm x 21.3 cm ) Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.