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 2133(O.C.)/2000(O.C.)/1800(O.C.)/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.

Multi-GPU Support

Supports NVIDIA® 3-Way SLI™ Technology
Supports AMD 3-Way CrossFireX™ Technology

Expansion Slots

3 x PCIe 2.0 x16 (dual x16 or x16, x8, x8) 
1 x PCIe 2.0 x16 (x4 mode) 
1 x PCIe 2.0 x1 
1 x PCI

Storage

AMD SB950 controller : 
6 x SATA 6Gb/s port(s), red
Support Raid 0, 1, 5, 10
ASMedia® ASM1061 controller : 
1 x SATA 6Gb/s port(s), red
1 x eSATA 6Gb/s port(s), red

LAN

Intel®, 1 x Gigabit LAN Controller

Audio

SupremeFX X-Fi 2 built-in 8-Channel High Definition Audio CODEC 
- Supports : Jack-detection, Multi-streaming, Front Panel Jack-retasking
Audio Feature :
- X-Fi® Xtreme Fidelity™ 
- EAX® Advanced™ HD 5.0 
- THX® TruStudio PRO™
- Creative ALchemy 
- Blu-ray audio layer Content Protection 
- Optical S/PDIF out port(s) at back panel

USB Ports

ASMedia® USB 3.0 controller : 
6 x USB 3.0 port(s) (4 at back panel, blue, 2 at mid-board)
AMD SB950 controller : 
12 x USB 2.0 port(s) (8 at back panel, black+white, 4 at mid-board)

Overclocking Features

ROG Connect :
- RC Diagram
- RC Remote
- RC Poster
- GPU TweakIt
Extreme Engine Digi+ :
- 8 + 2 phase power design
UEFI BIOS features :
- ROG BIOS Print
- GPU.DIMM Post
GameFirst
iROG
Extreme Tweaker
Overclocking Protection :
- COP EX (Component Overheat Protection - EX)
- Voltiminder LED
- ASUS C.P.R.(CPU Parameter Recall)

Special Features

ASUS TPU :
- CPU Level UP
Core Unlocker
ASUS Exclusive Features :
- MemOK!
- AI Charger+
ASUS Quiet Thermal Solution :
- ASUS Fan Xpert 
ASUS EZ DIY :
- ASUS Q-Shield
- ASUS O.C. Profile
- ASUS EZ Flash 2 
- ASUS MyLogo 3 
ASUS Q-Design :
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Connector

Back I/O Ports

1 x PS/2 keyboard/mouse combo port(s)
1 x eSATA 6Gb/s
1 x LAN (RJ45) port(s)
4 x USB 3.0 
8 x USB 2.0 (white port can be switched to ROG Connect)
1 x Optical S/PDIF out
6 x Audio jack(s)
1 x Clear CMOS button(s)

Internal I/O Ports

1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s) 
2 x USB 2.0 connector(s) support(s) additional 4 USB 2.0 port(s)
7 x SATA 6Gb/s connector(s)
2 x CPU Fan connector(s) 
3 x Chassis Fan connector(s) 
3 x Optional Fan connector(s) 
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 4-pin ATX 12V Power connector(s)
1 x Front panel audio connector(s) (AAFP)
1 x System panel(s) 
8 x ProbeIt Measurement Points
3 x Thermal sensor connector(s)
1 x En/Dis-able Clr CMOS header(s)
1 x EZ Plug connector(s) (4-pin Molex power connector)
1 x Power-on button(s)
1 x Reset button(s)
1 x CPU Level Up button(s)
1 x ROG Connect switch(es)
1 x Go Button(s)

Accessories

User's manual
I/O Shield
6 x SATA 6Gb/s cable(s)
1 x 3-Way SLI bridge(s)
1 x SLI bridge(s)
1 x CrossFire cable(s)
1 x Q-connector(s) (2 in 1) 
1 x ROG Connect cable(s)
1 x Cable ties pack(s)
1 x ROG theme label(s)
1 x 12 in 1 ROG Cable Label(s)

BIOS

32Mb Flash ROM, UEFI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI2.0a, Multi-Language BIOS

Manageability

WOL by PME, WOR by PME, PXE

Support Disc

Drivers
Sound Blaster® X-Fi 2 Utility
Kaspersky® Anti-Virus
DAEMON Tools Pro Standard
ROG CPU-Z
ASUS Utilities

Form Factor

ATX Form Factor 
12 inch x 9.6 inch ( 30.5 cm x 24.4 cm )