CPU	AMD Socket AM3 ;Phenom™II /Athlon™II /Sempron™ 100 Series Processors AMD 140W CPU Support AMD Cool 'n' Quiet™ Technology Supports 45nm CPU
Chipset	AMD 870 / SB850
System Bus	Up to 5200 MT/s ; HyperTransport™ 3.0 interface
Memory	4 x DIMM, Max. 16 GB, DDR3 2000(O.C.)/1600/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture * DDR3 Memory Ultra Low Voltage support ** Due to OS limitation, when installing total memory of 4GB capacity or more, Windows® 32-bit operation system may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is recommended. ***Due to CPU spec., AMD 100 and 200 series CPUs support up to DDR3 1066MHz. With ASUS design, this motherboard can support up to DDR3 1333MHz **** Refer to www.asus.com for the memory QVL (Qualified Vendors Lists).
Expansion Slots	1 x PCIe 2.0 x16 1 x PCIe 2.0 x4 1 x PCIe 2.0 x1 3 x PCI
Storage	SB850 Chipset 6 xSATA 6.0 Gb/s ports Support RAID 0,1,5,10 JMicron® JMB368 PATA controller 1 xUltraDMA 133/100 for up to 2 PATA devices
LAN	Realtek® 8111E Gigabit LAN controller featuring AI NET2
Audio	VIA VT1818 8-Channel High Definition Audio CODEC - Supports 192kHz/ 24bit BD Lossless Sound - Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking - Optical S/PDIF Out port at back I/O - ASUS Noise Filter
USB	NEC USB 3.0 controller - 2 x USB 3.0 ports (Blue, at back panel) AMD® SB850 - 12 x USB 2.0 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, CPU Level UP ASUS Hybrid Switch - Core Unlocker ASUS Hybrid OS -- Express Gate ASUS Power Solutions - ASUS EPU ASUS Exclusive Features - MemOK! ASUS Quiet Thermal Solution - ASUS Fanless Design: Heat sink solution - ASUS Fan Xpert ASUS EZ DIY - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - Multi-language BIOS
Overclocking Features	Precision Tweaker 2: - vCore: Adjustable CPU voltage at 0.003125V increment - vDDNB: Adjustable CPU NB voltage at 0.003125V increment - vNB: Adjustable North Bridge voltage at 0.00625V increment - vHT bus: Adjustable PCH voltage at 0.00625V increment - vDRAM Bus: Adjustable DRAM voltage at 0.00625V increment SFS (Stepless Frequency Selection) - Internal Base Clock tuning from 100MHz up to 600MHz at 1MHz increment - PCI Express frequency tuning from 100MHz up to 150MHz at 1MHz increment Overclocking Protection: - ASUS C.P.R.(CPU Parameter Recall)
Back Panel I/O Ports	1 x S/PDIF Out (Optical) 1 x LAN(RJ45) port 8 -Channel Audio I/O 1 x PS/2 Keyboard (Purple) 1 x PS/2 Mouse (Green) 2 x USB 3.0/2.0 ports (Blue) 6 x USB 2.0/1.1 ports
Internal I/O Connectors	3 x USB connectors support additional 6 USB ports 1 x IDE connector 6 x SATA 6Gb/s connectors 1 x CPU Fan connector 1 x Chassis Fan connector (3-pin) 1 x Power Fan connector 1 x S/PDIF Out Header 1 x Core Unlocker Switch 1 x MemOK! Button Front panel audio connector 1 x COM connector 1 x Clear CMOS jumper 24-pin ATX Power connector 4-pin ATX 12V Power connector System Panel
BIOS	8 Mb Flash ROM , SPI, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2, ASUS CrashFree BIOS 3
Manageability	WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
Accessories	1 x Ultra DMA 133/100 cable 2 x Serial ATA 3.0Gb/s cables 1 x Serial ATA 6.0Gb/s cables 1 x IO Shield 2 in 1 Q-connector (USB, System panel; Retail version only) User's manual
Support Disc	Drivers Anti-virus software (OEM version) ASUS Utilities ASUS Update
Form Factor	ATX Form Factor 12 inch x 8.4 inch ( 30.5 cm x 21.3 cm )