|CPU||Intel® Socket 1156 Core™ i7 Processor/Core™ i5 Processor
Supports Intel® Turbo Boost Technology
|Chipset||Intel® P55 Express Chipset|
|Memory||4 x DIMM, Max. 16 GB, DDR3 2200(O.C.)*/1600/1333/1066 Non-ECC,Un-buffered Memory
Dual Channel memory architecture
Supports Intel® Extreme Memory Profile (XMP)
*Hyper DIMM support is subject to the physical characteristics of individual CPUs. Some hyper DIMMs only support one DIMM per channel. Please refer to Memory QVL for details.
*Refer to www.asus.com or this user manual for the Memory QVL (Qualified Vendors Lists).
|Expansion Slots||1 x PCIe 2.0 x16 (single at x16)
1 x PCI Express 2.0 x16 slot (at x4 mode, 2.5GT/s)
2 x PCI Express 2.0 x1 slots (2.5GT/s)
3 x PCI
|Multi-GPU Support||Supports ATI® Quad-GPU CrossFireX™ Technology|
|Storage||Intel® P55 Express Chipset built-in
6 xSATA 3.0 Gb/s ports
Intel Matrix Storage Technology Support RAID 0,1,5,10
JMicron® JMB361 PATA and SATA controller
1 xUltraDMA 133/100/66 for up to 2 PATA devices
1 xExternal SATA 3Gb/s port at rear
|LAN||Realtek® 8112L Gigabit LAN controller featuring AI NET2|
|Audio||VIA® VT1828S 8-Channel High Definition Audio CODEC
- Absolute Pitch BD192/24
- DTS Surround Sensation UltraPC
- BD audio layer Content Protection
- Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking
- Optical S/PDIF out port at back I/O
|USB||14 USB 2.0/1.1 ports (6 ports at mid-board, 8 ports at back panel)|
|ASUS Unique Features||ASUS Exclusive Overclocking Features
- ASUS TurboV
- ASUS Turbo Key
ASUS 8+2 Phase Power Design
ASUS Xtreme Design
ASUS Exclusive Features
- ASUS EPU
- Express Gate
ASUS Quiet Thermal Solution
- ASUS Fanless Design: Stylish Heatsink Solution
- ASUS Fanless Design: Stack Cool 3
- ASUS Fan Xpert
ASUS Crystal Sound
- ASUS Noise Filter
ASUS EZ DIY
- ASUS Q-DIMM
- ASUS Q-Shield
- ASUS Q-Connector
- ASUS O.C. Profile
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 2
- ASUS MyLogo 2
- Multi-language BIOS
|Overclocking Features||Precision Tweaker
- vCore: Adjustable CPU voltage at 0.00625V increment
- vIMC: Adjustable IMC voltage at 0.05V increment
- vDRAM Bus: 8-step DRAM voltage control
- vPCH: 2-step chipset voltage control
- vCPU PLL: 4-step reference voltage control
SFS (Stepless Frequency Selection)
- PCI Express frequency tuning from 100MHz up to 200MHz at 1MHz increment
- Internal Base Clock tuning from 80MHz up to 500MHz at 1MHz increment
- ASUS C.P.R.(CPU Parameter Recall)
|Back Panel I/O Ports||1 x External SATA
1 x S/PDIF Out (Optical)
1 x LAN(RJ45) port
8 x USB 2.0/1.1
8 -Channel Audio I/O
1 x PS/2 Keyboard (Purple)
1 x PS/2 mouse port (Green)
|Internal I/O Connectors||3 x USB connectors support additional 6 USB ports
1 x IDE connector
6 x SATA connectors
1 x CPU Fan connector
1 x Power Fan connector
2 x Chassis Fan connectors (1x4-pin, 1x3-pin)
1 x Front panel audio connector
1 x S/PDIF Out header
1 x CD audio in
1 x 24-pin ATX Power connector
1 x 8-pin ATX 12V Power connector
1 x System Panel (Q-Connector)
1 x MemOK! Button
1 x COM connector
|BIOS||16 Mb Flash ROM , 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||WOL by PME,WOR by PME,PXE|
1 x UltraDMA 133/100/66 cable
2 x SATA cable(s)
2 in 1 Q-connector
Anti-virus software (OEM version)
|Form Factor||ATX Form Factor
12 inch x 8.6 inch ( 30.5 cm x 21.8 cm )
This motherboard supports the latest Intel® Lynnfield processors in LGA1156 package which has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes providing great graphics performance. Intel® Lynnfield processor is one of the most powerful and energy efficient CPU in the world.
P7P55D LE brings you the multi-GPU choice of CrossFireX. The motherboard features the most powerful Intel P55 platform to optimize PCIe allocation in multiple GPU configurations. Expect a brand-new gaming style you´ve never experienced before!
The Intel® P55 Express Chipset is the latest one-chipset design to support latest 1156 socket Intel® Core™ i7/Core™ i5 Processors. Intel® P55 providing improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability.
Double Speed; Double Bandwidth
This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.
The motherboard supports DDR3 memory that features data transfer rates of 2000 (O.C.) / 1600 /1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics, multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the bandwidth of your system memory to boost system performance.
Easy, Real-Time O.C. Tunings
Feel the adrenaline rush of real-time O.C. - now a reality with the ASUS TurboV. This easy O.C. tool allows you to overclock without exiting or rebooting the OS; and its user-friendly interface makes overclock with just a few clicks away. Moreover, the ASUS OC profiles in TurboV provides the best O.C. settings in different scenarios.
ASUS Turbo Key allows the user to turn the PC power button into an overclocking button. After the easy setup, Turbo Key can boost performances without interrupting ongoing work or games - with just one touch!!
To satisfy a savvy user´s quest for a "genetically superior" and winning motherboard, ASUS introduces the Xtreme Design Series. As design provides the foundation for a superior performing motherboard, ASUS has devoted great effort to delivering cutting-edge design. With the Xtreme Design Series, users experience ultimate performance, ultra-cool operations, and safer computing from the leader in design innovations.
Breakthrough Power Design to Fully Unleash CPU Potential!
To fully unleash the latest Intel® Lynnfield CPU´s potential, this motherboard has adopted a brand new 8-phase VRM power design. It delivers high power efficiency and supreme overclocking ability. Furthermore, high quality power components can effectively lower system temperature to ensure longer component lifespan. This motherboard also features an extra 2-phase power dedicated to integrated memory controller.
System Level Energy Saving
The new ASUS EPU - the world´s first power saving engine, has been upgraded to a new six engine version, which provides total system power savings by detecting current PC loadings and intelligently moderating power in real-time. With auto phase switching for components (which includes the CPU, VGA card, memory, chipset, drives and system fan), the EPU automatically provides the most appropriate power usage via intelligent acceleration and overclocking - helping save power and money.
This motherboard uses all high-quality conductive polymer capacitors onboard for durability, improved lifespan, and enhanced thermal capacity.
Any Memory is A-OK!
MemOK! quickly ensures memory boot compatibility. This remarkable memory rescue tool requires a mere push of a button to patch memory issues. MemOK! determines failsafe settings and dramatically improves your system boot success. Get your system up and running in no time!
0 to Internet in Seconds!
Express Gate™ is an ASUS exclusive OS that provides you with quick access to the Internet and key applications before entering Windows®.
The crystal-shaped heatsink features 0-dB thermal solution that offers users a noiseless PC environment. Not only the beautiful shape upgrades the visual enjoyment for motherboard users, but also the heatsink design lowers the temperature of the chipset and power phase area through high efficient heat-exchange. Combined with usability and aesthetics, the ASUS crystal-shaped heatsink will give users an extremely silent and cooling experience with the elegant appearance!
Active Quiet & Cool
ASUS Fan Xpert intelligently allows users to adjust both the CPU and chassis fan speed according to different ambient temperature , which is caused by different climate conditions in different geographic regions and system loading.Built-in variety of useful profiles offer flexible controls of fan speed to achieve a quiet and cool environment.
ASUS Xtreme Phase Power Design plus Stack Cool 3 provides a better thermal solution with more efficient heat dissipation up to 11%. Lowering the onboard temperature improves overall motherboard performance and prolongs the lifespan of critical components.
Enjoy high-end sound system on your PC!
The onboard 8-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output, jack-sensing feature, retasking functions and multi-streaming technology that simultaneously sends different audio streams to different destinations. This motherboard now adopts the future standard to deliver the most vivid audio enjoyment!!
Eliminate background noise while recording
This feature detects repetitive and stationary noises like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording.
DTS Surround Sensation UltraPC delivers exceptional 5.1 surround experience through the most common PC audio setups - your existing stereo speakers or headphones. In addition to virtual surround, “Bass enhancement” provides stronger low frequency bass sound, and “Voice clarification” provides clear human dialogue even with loud background sound. With these technologies, you may experience a better home-theater audio with ease.
True Experience of BD Home Theater Audio
Absolute Pitch BD192/24 delivers 192KHz/24bit Hi-Fi BD lossless, extreme fidelity sound to bring true BD audio technology to the home theater PC. Moreover, DTS Surround Sensation UltraPC provides proprietary DTS algorithms to deliver virtual surround through just 2 speakers. Without additional cost & complicated setup, experience home theater enjoyment has never been so easy!
Easy and Comfortable Installations
The specially designed ASUS Q-Shield does without the usual "fingers" - making it convenient and easy to install. With better electric conductivity, it ideally protects your motherboard against static electricity and shields it against Electronic Magnetic Interference (EMI).
Simply update BIOS from a USB flash disk before entering the OS
EZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility.
Simply restore corrupted BIOS data from USB flash disk
The ASUS CrashFree BIOS 3 allows users to restore corrupted BIOS data from a USB flash disk containing the BIOS file. This utility saves users the cost and hassle of buying a replacement BIOS chip.
Make connection quick and accurate!
The ASUS Q-Connector allows you to connect or disconnect chassis front panel cables in one easy step with one complete module. This unique adapter eliminates the trouble of plugging in one cable at a time, making connection quick and accurate.
Conveniently store or load multiple BIOS settings
Freely share and distribute favorite overclocking settings The motherboard features the ASUS O.C. Profile that allows users to conveniently store or load multiple BIOS settings. The BIOS settings can be stored in the CMOS or a separate file, giving users freedom to share and distribute their favorite overclocking settings.
This motherboard provides convenient connectivity to external home theater audio systems via coaxial and optical S/PDIF-out (SONY-PHILIPS Digital Interface) jacks. It allows to transfer digital audio without converting to analog format and keeps the best signal quality.
The motherboard and its packaging comply with the European Union´s Restriction on the use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating environment-friendly and recyclable products and packaging to safeguard consumers´ health while minimizing the impact on the environment.
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