CPU
Intel Socket 1155 for 2nd Generation Core i7/Core i5/Core i3 Processors
Supports Intel 32 nm CPU
Supports Intel Turbo Boost Technology 2
* The Intel Turbo Boost Technology 2.0 support depends on the CPU types.

Chipset
Intel P67(B3)

Memory
4 x DIMM, Max. 32GB, DDR3 2200(O.C.)/2133(O.C.)/1866(O.C.)/1600/1333/1066 Hz Non-ECC, Un-buffered Memory
Dual Channel Memory Architecture
Supports Intel Extreme Memory Profile (XMP)
* According to Intel SPEC, the Max. 32GB memory capacity can be supported with DIMMs of 8GB (or above). ASUS will update QVL once the DIMMs are available on the market.
* Hyper DIMM support is subject to the physical characteristics of individual CPUs.
* Due to CPU behavior, DDR3 2200/2000/1800 MHz memory module will run at DDR3 2133/1866/1600 MHz frequency as default.

Multi-GPU Support
Supports NVIDIA Quad-GPU SLI Technology
Supports AMD Quad-GPU CrossFireX Technology

Expansion Slots
2 x PCIe 2.0 x16 (x16 or dual x8)
1 x PCIe 2.0 x16 (x4 mode, black) *1
2 x PCIe 2.0 x1
2 x PCI

Storage   
Intel P67(B3) chipset :
2 x SATA 6Gb/s port(s), gray
4 x SATA 3Gb/s port(s), blue
Support Raid 0, 1, 5, 10
Marvell PCIe SATA 6Gb/s controller : *2
2 x SATA 6Gb/s port(s), navy blue
JMicron JMB362 controller :
1 x eSATA 3Gb/s port(s), red
1 x Power eSATA 3Gb/s port(s), green

LAN
Intel 82579, 1 x Gigabit LAN Controller(s)

Bluetooth
Bluetooth V2.1+EDR
ASUS BT GO! Utility

Audio
Realtek ALC892 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
- DTS Surround Sensation UltraPC
- Coaxial and Optical S/PDIF out ports 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)
Intel P67(B3) chipset :
12 x USB 2.0 port(s) (6 at back panel, black, 6 at mid-board)

Overclocking Features
Overclocking Protection :
- ASUS C.P.R.(CPU Parameter Recall)

Special Features
ASUS Dual Intelligent Processors 2 with DIGI+ VRM :
ASUS TPU :
- Auto Tuning
- TurboV
- TPU switch

ASUS EPU :
- EPU
- EPU switch

ASUS Digital Power Design :
- Industry leading Digital 12 +2 Phase Power Design
- ASUS DIGI+ VRM Utility

ASUS BT GO! :
- Folder Sync
- BT Transfer
- Shot & Send
- BT to Net
- Music Player
- Personal Manager

ASUS BT Turbo Remote :
- Exclusive Smartphone Interface supporting iPhone, Android, Windows Mobile, and Symbian systems

ASUS Exclusive Features :
- MemOK!
- AI Suite II
- Ai Charger+
- Anti-Surge
- ASUS UEFI BIOS EZ Mode featuring friendly graphics user interface

ASUS Quiet Thermal Solution :
- Stylish Fanless Design Heat-sink solution
- ASUS Fan Xpert

ASUS EZ DIY :
- ASUS Q-Shield
- ASUS O.C. Tuner
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2

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 (purple)
1 x PS/2 mouse (green)
1 x Bluetooth module(s)
2 x eSATA 3Gb/s
1 x IEEE 1394a
1 x LAN (RJ45) port(s)
2 x USB 3.0 (blue)
6 x USB 2.0
1 x Coaxial S/PDIF out
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)
3 x USB 2.0 connector(s) support(s) additional 6 USB 2.0 port(s)
4 x SATA 6Gb/s connector(s)
4 x SATA 3Gb/s connector(s)
1 x IEEE 1394a connector(s)
1 x CPU Fan connector(s) (4 -pin)
2 x Chassis Fan connector(s) (1 x 4 -pin, 1 x 3 -pin)
1 x Power Fan connector(s) (3 -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)
1 x MemOK! button(s)
1 x TPU switch(es)
1 x EPU switch(es)

Accessories
User's manual
ASUS Q-Shield
2 x SATA 3Gb/s cable(s)
2 x SATA 6Gb/s cable(s)
1 x SLI bridge(s)
1 x Q-connector(s) (2 in 1)
1 x ASUS USB 3.0 Bracket(s)

BIOS
32 Mb Flash ROM , EFI 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

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 )

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