Specifications

CPU	AMD AM3+ FX™/Phenom™ II/Athlon™ II/Sempron™ 100 Series Processors Supports AM3+ 32 nm CPU Supports CPU up to 8 cores Supports CPU up to 140 W AMD Cool n Quiet™ Technology
Chipset	AMD 990FX/SB950
Memory	4 x DIMM, Max. 32GB, DDR3 1866/1600/1333/1066 Hz ECC, Non-ECC, Un-buffered Memory Dual Channel Memory Architecture * Refer to www.asus.com or user manual for the Memory QVL (Qualified Vendors Lists). * Due to OS limitation, when installing total memory of 4GB capacity or more, Windows 32-bit operation system may only recognize less than 3GB. Install a 64-bit Windows OS when you want to install 4GB or more memory on the motherboard. * Due to CPU spec., AMD 100 series CPUs support up to DDR3 1066MHz. With ASUS design, this motherboard can support up to DDR3 1333MHz.
Multi-GPU Support	Supports NVIDIA Quad-GPU SLI™ Technology Supports AMD Quad-GPU CrossFireX™ Technology
Expansion Slots	3 x PCIe 2.0 x16 (dual x16 or x16, x8, x8) *1 1 x PCIe 2.0 x16 (x4 mode, black) 1 x PCIe 2.0 x1 1 x PCI
Storage	AMD SB950 controller : 6 x SATA 6Gb/s port(s), brown Support Raid 0, 1, 5, 10 JMicron JMB362 controller : 2 x SATA 3Gb/s port(s), black 1 x Power eSATA 3Gb/s port(s), green 1 x eSATA 3Gb/s port(s), red
LAN	Realtek 8111E , 1 x Gigabit LAN Controller(s)
Audio	Realtek ALC 892 8-Channel High Definition Audio CODEC - Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking Audio Feature : - Absolute Pitch 192kHz/ 24-bit True BD Lossless Sound - Blu-ray audio layer Content Protection - ASUS Noise Filter - Optical S/PDIF out port(s) at back panel
IEEE 1394	VIA 6308P controller 2 x IEEE 1394a port(s) (1 at mid-board, 1 at back panel)
USB Ports	ASMedia USB 3.0 controller : 4 x USB 3.0 port(s) (2 at back panel, blue, 2 at mid-board) AMD SB950 controller : 14 x USB 2.0 port(s) (10 at back panel, black+red, 4 at mid-board)
Special Features	ASUS Dual Intelligent Processors 2 with DIGI+ VRM : TUF ENGINE! Power Design : - 8 +2 Digital Phase Power Design - TUF Components (Alloy choke, Cap. & MOSFET; certified by military-standard) - ASUS DIGI+ VRM Utility - E.S.P. : Efficient Switching Power Design Ultimate COOL! Thermal Solution : - TUF CeraM!X Heatsink Coating Tech. - TUF Thermal Radar ASUS Exclusive Features : - MemOK! - AI Suite II - Anti-Surge - ESD Guards - Front Panel USB 3.0 Support - ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface ASUS EZ DIY : - ASUS Q-Shield - ASUS O.C. Profile - ASUS EZ Flash 2 - ASUS MyLogo 2 - Multi-language BIOS ASUS Q-Design : - ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED) - ASUS Q-Slot - ASUS Q-DIMM - ASUS Q-Connector
Back I/O Ports	1 x PS/2 keyboard/mouse combo port(s) 1 x eSATA 3Gb/s 1 x Power eSATA 3Gb/s 1 x IEEE 1394a 1 x LAN (RJ45) port(s) 2 x USB 3.0 10 x USB 2.0 1 x Optical S/PDIF out 6 x Audio jack(s)
Internal I/O Ports	1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s) (19-pin, moss green) 2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s) 1 x COM port(s) connector(s) 6 x SATA 6Gb/s connector(s) 2 x SATA 3Gb/s connector(s) 1 x IEEE 1394a connector(s) 1 x CPU Fan connector(s) (4 -pin) 4 x Chassis Fan connector(s) (3 x 4 -pin, 1 x 3 -pin) 1 x Optional Fan connector(s) (4 -pin) 1 x S/PDIF out header(s) 1 x 24-pin EATX Power connector(s) 1 x 8-pin ATX 12V Power connector(s) 1 x Front panel audio connector(s) (AAFP) 1 x System panel(s) (Q-Connector) 1 x MemOK! button(s) 1 x Clear CMOS jumper(s)
Accessories	Users manual ASUS Q-Shield 4 x SATA 6Gb/s cable(s) 1 x SLI bridge(s) 1 x Q-connector(s) (2 in 1) 1 x TUF Certification card(s) 1 x TUF 5 Year Warranty manual(s) (by region)
BIOS	32 Mb Flash ROM, UEFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0a, Multi-language BIOS, ASUS EZ Flash 2,
Manageability	WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE
Support Disc	Drivers Anti-virus software (OEM version) ASUS Update ASUS Utilities
Form Factor	ATX Form Factor 12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )
Note	*1: When running dual graphics cards, be sure to insert the card in the first and third PCIex16 slot to get the best performance.