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Having problem after you bought a product? You can find driver, manual download, and FAQ on ASUS Customer Service website. To provide you the best service ASUS provides you different ways to make a contact with us as well.

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    P7H55/USB3

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    • USB 3.0 Support
    • Turbo Key II - Switch on the Potential, Turn up the Performance!
    • TurboV EVO - The Ultimate O.C. Processor
    • MemOK! - Any Memory is A-OK!
    • EPU - System Level Energy Saving
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      CPU, Chipset and Graphics features

      LGA1156 Intel® Lynnfield/Clarkdale Processor Ready

      Intel Corei3Intel Corei5Intel Corei7This motherboard supports the latest Intel® Lynnfield and Clarkdale 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 higher graphics performance.

      PCIe 2.0

      PCIe 2.0Double Speed; Double Bandwidth
      This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth which enhances system performance.

      Intel H55

      Intel H55The Intel® H55 Express Chipset is the latest one-chipset design to support latest 1156 socket Intel® Core™ i7/ Core™ i5/Core™ i3/ Pentium® Processors. Intel® H55 chipset improved performance by utilizing serial point-to-point links, allowing increased bandwidth and stability.

      Memory Features

      Dual-Channel DDR3 2200 (O.C.) / 2000 / 1866 / 1600 / 1333 / 1066 support

      Dual-Channel DDR3 2200 (O.C.)The motherboard supports DDR3 memory that features data transfer rates of 2200 (O.C.) / 2000 / 1866 / 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.


      Next-gen Technology

      USB 3.0 Support!

      USB 3.0Experience ultra-fast data transfers at 4.8 Gb/s with USB 3.0–the latest connectivity standard. Built to connect easily with next-generation components and peripherals, USB 3.0 transfers data 10X faster and is also backward compatible with USB 2.0 components.

      Hybrid Switch

      Turbo Key II

      Turbo Key IISwitch on the Potential, Turn up the Performance!
      Enjoy superb performance by auto-tuning your processor to an extreme yet stable state. Simply activate a dedicated switch on the motherboard to unleash extra processing capabilities.

      Hybrid Processor

      TurboV EVO

      TurboV EVOThe Ultimate O.C. Processor
      The ultimate O.C. processor satisfies every level of overclockers—from die-hard enthusiasts to beginners. Auto tuning intelligently pushes the system to the fastest clock speeds while maintaining stability. Turbo Key boosts performance with just one touch; while TurboV offers more options to advanced overclockers to achieve world O.C. record. Moreover, upgrade your CPU at no additional cost with CPU Level UP!

      Auto Tuning

      Auto TuningAuto System Level Up
      Auto Tuning is an intelligent tool that automates overclocking to achieve a total system level up. This tool also provides stability testing. Even O.C. beginners can achieve extreme yet stable overclocking results with Auto Tuning!

      Hybrid OS

      Express Gate
      Express Gate

      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®.

      Exclusive Features

      EPU

      EPUSystem 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, the EPU automatically provides the most appropriate power usage via intelligent acceleration and overclocking - helping save power and money.

      MemOK!

      MemOK!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!

      Quiet Thermal Solution

      Fanless Design - Heatsink solution

      Fanless Design - Heatsink solutionFanless Design - Heatsink solutionThe 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!

      Fan Xpert

      Fan XpertActive 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 EZ DIY

      EZ-Flash 2

      EZ-Flash 2Simply 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.

      O.C. Profile

      O.C. ProfileConveniently 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.

      CrashFree BIOS 3

      CrashFree BIOS 3Simply 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.

      Industry Standard

      S/PDIF-out on Back I/O Port

      S/PDIF-outThis motherboard provides convenient connectivity to external home theater audio systems via 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.

      8-channel Audio

      8-channel AudioEnjoy 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.

      RoHS

      GreenASUS

      GreenASUSThe 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.