Intel® Socket 1155 for 2^nd Generation Core™ i7/Core™ i5/Core™ i3 Processors 
Supports Intel® 32 nm CPU
Supports Intel® Turbo Boost Technology 2.0 
* The Intel® Turbo Boost Technology 2.0 support depends on the CPU types.
* Refer to www.asus.com for CPU support list

Intel® P67(B3)

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. 
* Refer to www.asus.com or user manual for the Memory QVL (Qualified Vendors Lists).
* Due to CPU behavior, DDR3 2200/2000/1800 MHz memory module will run at DDR3 2133/1866/1600 MHz frequency as default.

Supports NVIDIA® Quad-GPU SLI™ Technology
Supports AMD Quad-GPU CrossFireX™ Technology

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

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 9128 controller : *¹
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

Intel® 82579, 1 x Gigabit LAN Controller(s)
Realtek® 8111E , 1 x Gigabit LAN Controller(s)
Dual Gigabit LAN controllers- 802.3az Energy Efficient Ethernet (EEE) appliance
Intel® LAN- Dual interconnect between the Integrated LAN controller and Physical Layer (PHY)

Bluetooth V2.1+EDR
ASUS BT GO! Utility

Realtek® ALC 889 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

VIA® 6315N controller
2 x IEEE 1394a port(s)
(1 at mid-board, 1 at back panel)

NEC® 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) (8 at back panel, black+red, 4 at mid-board)

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

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 16 +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-pipe 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-Code
- ASUS Q-LED (CPU, DRAM, VGA, Boot Device LED)
- ASUS Q-Slot
- ASUS Q-DIMM 
- ASUS Q-Connector

1 x PS/2 keyboard/mouse combo port(s)
1 x Bluetooth module(s)
1 x eSATA 3Gb/s
1 x Power eSATA 3Gb/s
1 x IEEE 1394a
2 x LAN (RJ45) port(s)
2 x USB 3.0 
8 x USB 2.0 
1 x Coaxial S/PDIF out
1 x Optical S/PDIF out
6 x Audio jack(s)
1 x Clear CMOS button(s)

1 x USB 3.0 connector(s) support(s) additional 2 USB 3.0 port(s) (19-pin)
2 x USB 2.0 connector(s) support(s) additional 4 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)
2 x Power Fan connector(s) (2 x 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) (Q-Connector)
1 x MemOK! button(s)
1 x TPU switch(es)
1 x EPU switch(es)
1 x Power-on button(s)
1 x Reset button(s)

User's manual
ASUS Q-Shield
2 x SATA 3Gb/s cable(s)
4 x SATA 6Gb/s cable(s)
1 x SLI bridge(s)
1 x Q-connector(s) (2 in 1) 
1 x ASUS Front Panel USB 3.0 Box(es)

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

WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE

Drivers
Anti-virus software (OEM version)
ASUS Update
ASUS Utilities

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