CPU	AMD Socket AM3 Phenom II/Athlon X4/Athlon X3/Athlon X2 Processors AMD Cool ′n′ Quiet Technology Support 45nm CPU AMD 140W CPU Support
Chipset	AMD 790FX/SB750
System Bus	Up to 5200 MT/s HyperTransport 3.0
Memory	4 x DIMM, Max. 16 GB, DDR3 1600(O.C.)/1333/1066 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture *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. **Refer to www.asus.com or user manual for the Memory QVL (Qualified Vendors Lists)
Expansion Slots	4 x PCIe 2.0 x16 support ATI CrossFireX™ technology (@ dual x16, triple x16 / x8 / x8, or quad x8 link) 2 x PCI 2.2
Storage	SB750 Chipset 1 xUltraDMA 133/100/66 for up to 2 PATA devices 5 xSATA 3 Gb/s ports Support RAID 0,1,5,10,JBOD 1 x eSATA 3Gb/s ports (SATA on-the-go)* *Refer to user manual for the HDD Bay QVL(Qualified Vendors Lidts)
LAN	Realtek® 8112 Gigabit LAN controller featuring AI NET 2
Audio	Realtek® 1200 8 -Channel High Definition Audio CODEC - Supports Jack-Detection, Multi-Streaming, and Front Panel Jack-Retasking - Coaxial / Optical S/PDIF Out ports at back I/O - ASUS Noise Filtering
IEEE 1394	VIA VT6315N controller supports 2 x 1394a ports (1 at mid-board; 1 at back panel)
USB	12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel)
ASUS Unique Features	ASUS Power Saving Solutions: - 8+2 Phase Power Design - ASUS Anti-Surge Protection ASUS Green Design: - EPU *ASUS EPU is supported by AM3/AM2+ CPU only - ASUS AI Nap Express Gate ASUS Quiet Thermal Solution: - ASUS Fanless Design: Heat pipe solution - ASUS Fanless Design: Stack Cool 2 - ASUS Q-Fan 2 ASUS EZ DIY: - ASUS Q-Shield - ASUS Q-Connector - ASUS O.C. Profile - ASUS CrashFree BIOS 2 - ASUS EZ Flash 2 - Onboard Switch
Overclocking Features	Intelligent overclocking tools - AI Overclocking (Intelligent CPU Frequency Tuner) - TurboV - Turbo Key Precision Tweaker 2 - vDIMM: 50 -step DRAM voltage control - vCore: Adjustable CPU voltage at 0.0125V increment - vChipset (N.B.): 16-step voltage control SFS (Stepless Frequency Selection) - FSB tuning from 200MHz 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)
Special Features	100% All High-quality Conductive Polymer Capacitors!(VRM 5000hrs lifespan @105°C, 500,000hrs @65°C) ASUS MyLogo 2 AMD OverDrive Support* * Advanced cooling system is required when advanced overclock functions of AMD OverDrive are enabled.
Back Panel I/O Ports	1 x PS/2 Keyboard 1 x PS/2 Mouse 1 x External SATA 1 x IEEE 1394a 1 x LAN(RJ45) port 6 x USB 2.0/1.1 8 -Channel Audio I/O 1 x S/PDIF Out port (Coaxial) 1 x S/PDIF Out port (Optical)
Internal I/O Connectors	3 x USB connectors support additional 6 USB ports 1 x Floppy disk drive connector 1 x IDE connector 5 x SATA connectors 1 x IEEE 1394a connector 1 x CPU Fan connector 2 x Chassis Fan connector 1 x Power Fan connector 1 x S/PDIF Out connector 24-pin ATX Power connector Front panel audio connector COM connector Chassis Intrusion connector CD/AUX audio in System Panel (Q-Connector) 8-pin ATX 12V Power connector Power on Switch Reset Switch
BIOS	8 Mb Flash ROM AMI BIOS, PnP, DMI 2.0, SM BIOS 2.5, ACPI 2.0a, ASUS EZ Flash 2, CrashFree BIOS 2
Manageability	WOL by PME,WOR by PME,WOR by Ring,Chasis Intrusion,PXE
Form Factor	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )

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