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.
Quad-GPU SLI and Quad-GPU CrossFireX Support!
Flexible Multi-GPU solutions, Your Weapon of Choice! P7P55D PRO brings you the multi-GPU choice of either SLI™ or 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.
Dual-Channel DDR3 2133(O.C.) / 1600 / 1333 / 1066 support
The motherboard supports DDR3 memory that features data transfer rates of 2133(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.
ASUS Xtreme Design - Hybrid Processor
ASUS TurboV EVO
Ultimate O.C. Processor Whether novice or enthusiast, TurboV EVO satisfies overclockers of any level. Intelligently push systems to the fastest, stable clock speeds with Auto-Tuning. Turbo Key boosts performance with a simple touch, while TurboV offers additional advanced options for breaking those records!
Auto System Level Up Achieve extreme yet stable overclocking results automatically with Auto Tuning! With built-in stability testing, Auto Tuning lets even beginners improve performance with no additional cost.
ASUS Xtreme Design - 16 Hybrid Phase*
ASUS Hybrid 12+2 Phase Power Design
Unprecedented Innovation with the Best Quality Component for Best Performance The groundbreaking 12+2 phase VRM design is brrought to the ASUS motherboards. 12+2 phase power design, 12-phase for vCore and extra 2-phase for Memory controller inside CPU, can provide the highest power efficiency, and hence generates less heat to effectively enhance the overclocking capability. With the high quality power components such as low RDS (on) MOSFETs, Ferrite core chokes with lower hysteresis loss and 100% Japan-made high quality conductive polymer capacitors, ASUS 12+2 phase VRM design also ensure longer component life and minimum power loss.
*16 Hybrid Phase = 12+2 Phase x T.Probe
Leading Active Cooling Technology The T.Probe microchip detects and balances power phase loads and temperatures real-time. With optimal power phase functions, components run cooler and extend system lifespan.
ASUS Xtreme Design - Hybrid OS
ASUS Express Gate
Instant Online! Instant Fun! Express Gate is an ASUS exclusive OS that provides you with quick access to the Internet and key applications before entering the Windows® OS.
ASUS Exclusive Features
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!
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.
ASUS Quiet Thermal Solution
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 Crystal Sound
Enjoy High-End 8-channel 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
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.
ASUS EZ DIY
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.
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.
DIY quickly, DIY easily! ASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot and Q-DIMM design speed up and simplify the DIY process!
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.
IEEE 1394a interface
IEEE 1394a interface provides high speed digital interface for audio/video appliances such as digital television, digital video camcorders, storage peripherals & other PC portable devices.
S/PDIF-out on Back I/O Port
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.
- by David_W @Sep 08, 2009
4 x DIMM, Max. 16 GB, DDR3 2133(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).
2 x PCIe 2.0 x16 (single at x16 or dual at x8/x8 mode) 1 x PCI Express 2.0 x16 slots (at x4 mode, 2.5GT/s) 2 x PCI Express 2.0 x1 (2.5GT/s) 2 x PCI
Intel® P55 Express Chipset built-in 6 xSATA 3.0 Gb/s ports Intel Matrix Storage Technology Support RAID 0,1,5,10 JMicron® JMB363 SATA & PATA controller: - 1 x UltraDMA 133/100/66 for up to 2 PATA devices - 1 x SATA 3Gb/s port (black) - 1 x External SATA 3Gb/s port
Realtek® 8112L Gigabit LAN controller featuring AI NET2
VIA® VT1828S 8-Channel High Definition Audio CODEC - Absolute Pitch BD192/24 featuring ENVY HD - DTS Surround Sensation UltraPC - Supports Jack-Detection, Multi-streaming, Front Panel Jack-Retasking - Coaxial / Optical S/PDIF out ports at back I/O
VIA® 6308P controller supports 2 x 1394a ports (one at mid-board; one at back panel)
14 USB 2.0/1.1 ports (6 ports at mid-board, 8 ports at back panel)
ASUS Unique Features
ASUS Hybrid Processor - TurboV EVO - Auto Tuning, TurboV and Turbo Key ASUS 16 Hybrid Phase* - T.Probe Technology for Active Cooling - 12+2 Phase Power Design *16 Hybrid Phase = 12+2 Phase x T.Probe ASUS Hybrid OS - Express Gate ASUS Xtreme Design ASUS Exclusive Features - MemOK! - ASUS EPU ASUS Quiet Thermal Solution - ASUS Fanless Design: Heatsink solution - ASUS Fanless Design: Stack Cool 3 - ASUS Fan Xpert ASUS Crystal Sound - ASUS Noise Filter ASUS EZ DIY - ASUS Q-Shield - ASUS Q-Connector - ASUS O.C. Profile - ASUS CrashFree BIOS 3 - 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
Precision Tweaker2 - vCore: Adjustable CPU voltage at 0.00625V increment - vIMC: Adjustable IMC voltage at 0.00625V increment - vDRAM Bus: 81-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 Overclocking Protection - ASUS C.P.R.(CPU Parameter Recall)
Back Panel I/O Ports
1 x IEEE 1394a 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) 1 x Coaxial S/PDIF Output 1 x Optical S/PDIF Output
Internal I/O Connectors
3 x USB connectors support additional 6 USB ports 1 x IDE connector 7 x SATA connectors 1 x IEEE 1394a connector 1 x CPU Fan connector 1 x Power Fan connector 2 x Chassis Fan connector (1x4-pin, 1x3-pin) 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 System Panel(Q-Connector) 1 x MemOK! button 1 x COM port connector
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
WfM 2.0,DMI 2.0,WOL by PME,WOR by PME,PXE
User's manual 1 x UltraDMA 133/100/66 cable 4 x SATA cable(s) 2 in 1 Q-connector 1 x 2-port USB and eSATA module ASUS Q-Shield
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 )
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This board is running great with my i5 750. Overclock is easy and my ram was easy to configure with the XMS Setting. Great quality. Only, the CPU socket is a little close to RAM. Using a CoolerMaster Hyper 212 Plus and really hard to access RAM.
I bought this motherboard on a special with 4GB of G.Skill DDR3-12800 and both have brought me nothing but joy. This motherboard is the fastest, most stable board I've ever worked with. Everything just works with it - plug and play. I've tried 3 different SSD drives with it and normally hot swap three different 3.5" HDD's on the board, and they all boot up without skipping a beat.
My setup includes a i5-750, CM Hyper 212+ and G.Skill ECO memory. In general, this seems to be a good board if you run at stock speeds. I wish the automatic overclocking failure recovery was more stable. When overclocking, I now check the LEDs and turn off the power at the power supply when it fails to POST instead of using the case's power switch (so far the replacement board hasn't died).
When my board died, I think the BIOS chip got fried which caused the memory LED to stay lit up (implying a memory issue when there was none).
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First 30 days limited warranty through NCIX.com. The remainder of the 3 year warranty is provided directly by the manufacturer.
Video Cards: All ASUS VGA cards purchased after January 1st, 2001 will carry 3 year warranty services from purchase date. ASUS product warranty is based on the serial number printed. First 30 days limited warranty is through NCIX.com. The remainder of the 3 year warranty is provided directly by ASUS. For more details, please visit support.asus.com.
Sound Cards: All ASUS audio cards carry 3 year warranty services from purchase date. ASUS product warranty is based on the serial number printed. First 30 days limited warranty is through NCIX.com. The remainder of the 3 year warranty is provided directly by ASUS. For more details, please visit support.asus.com.
ASUS LCD Monitors: ASUS LCD monitors carry a 7 day DOA warranty from NCIX, and 3 years limited manufacturer warranty from purchase date. For details on DOA (dead on arrival), bright/dark dot warranty, please visit support.asus.com.
Asus EEE Pads: Asus EEE Pads carry a 1 year limited warranty from purchase date. For technical support, please call the service hotline at 1-888-678-3688.
ASUS Notebook Service Center in Toronto, Canada.
For ASUS branded notebooks (not including Eee products and Built-on ASUS):
Complete Customer Care Package
One of the industry’s most complete customer care packages offers a level of coverage that adds to the price of competing products:
1 Year Global Warranty (estimated $100 value, FREE)
30-Day Flawless Display Guarantee: If you discover one defective bright dot within 30 days of purchase, ASUS will replace the panel at no cost.
Two way free shipping
24/7 tech support: 1-888-678-3688
You have extra protection when they happen to your ASUS notebook purchased in the US or Canada. ASUS will fix it or replace it for you at no charge during the first year after purchase in the event of damage from accidental spills, drops, electrical surges, or fire.
Warranty covering accidental drops, spills, power surges, and fire damage
Target 3 business day turnaround time for repair / replacement; not including receiving and shipping time
One-way shipping (from ASUS to the user) at no additional cost
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