ASUS recommends Windows.



    Smart multimedia desktop PC with all you need for daily computing

    • Intel® Pentium® processors for productive multitasking and energy efficiency
    • ASUS SonicMaster audio technology and intuitive AudioWizard interface for enhanced sound quality
    • Easy sharing with 100GB ASUS Webstorage
    • Surpassing international standards with strict quality control
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      Incredibly Powerful Performance

      Faster, smarter and more pleasing to the ear


      Smart Performance

      Powered by the next generation Intel® Pentium® processor significantly faster and more efficient than the previous Intel® Celeron® processors, it delivers easy multitasking and enhanced performance.


      Music to Your Ears

      The ASUS K31AN desktop PC features ASUS SonicMaster audio technology along with MaxxAudio® from Waves, recipient of a Technical GRAMMY Award®. Together, they give the K31AN finely tuned surround sound for gaming and movies whether you’re listening through speakers or headphones. In addition, ASUS AudioWizard provides five selectable audio settings for music, movies, games, voice recording, and speech to cater to your media preferences. An easy-to-use interface puts everything at a mouse click, you can even choose how it looks and feels.

      Industry-leading Reliability

      Quality you can trust


      ASUS desktops – leading in satisfaction with reliability

      ASUS computers reflect a tradition of the finest quality, innovation and longevity. Based on the PCWorld USA 2012 reader survey of tech satisfaction, reliability, and service*, users rank ASUS as a leading choice for desktop PCs, citing high satisfaction with their value, connectivity, ease of use and reliability. The survey also found ASUS desktop PCs were one of the most likely to be recommended to others. Additionally, PC Mag has recognized ASUS as the leading brand of choice with their Reader’s Choice award**.

      * Source:
      ** A trademark of Ziff Davis, Inc. Used under license.,2817,2415580,00.asp.


      Smart Cooling System for cool, quiet operation

      Stay cool, calm and collected even when you’re working on graphics intensive tasks like video or photo editing with the ASUS exclusive Smart Cooling System. This unique technology efficiently reduces dust accumulation and lowers operating temperatures by up to 11.4℃* to give you not only a cooler PC, but also a quiet computing experience as well. ASUS Q-Fan Technology automatically adjusts fan speeds according to system loading; with the (Model Name) registering just 28dB at idle – more quiet than a library.

      * Tested with Intel® Core ™ i7 processor, actual performance may vary by product settings.


      Featuring the best motherboards

      At ASUS, it is not all about design aesthetics; it’s about product performance as well. ASUS has shipped over 465 million motherboards in the past 24 years - the combined length of which could circle the Earth over three times. Our motherboard models won 1,042 Awards in 2012 alone. With that kind of expertise, you can be sure that your ASUS PC features the finest and most innovative motherboards available.


      Stringently quality tests

      ASUS desktop PCs are subjected to a series of rigorous noise, vibration, drop, and thermal shock tests to ensure they meet our exacting standards and exceed those used by other manufacturers. So you can rest assured that your new computer can cope with extremes of dry, icy -40℃ to hot and humid 60℃ environments, as well as the bumps and knocks during shipping.

      Ports and Connections

      Advanced super speed I/O together with latest technology to comprehend all your needs


      All-around connectivity

      K31AN comes with all the connectivity options you need. HDMI output ports lets you hook your K31AN up to an HDTV to supersize your entertainment. SATA 6Gbit/s ports offer blisteringly fast data transfer speeds, letting you save large files or quickly load games. SuperSpeed USB 3.0 transfers data up to 10 times faster than USB 2.0.

      * USB 3.0 rates tested with USB 3.0 compatible devices for theoretical use only. Product and system settings may affect USB 3.0 performance.


      Access your data anywhere, anytime

      Data is always at your reach with ASUS storage innovations. With 100GB of free ASUS WebStorage, keep your data safe in the cloud, accessing it anywhere, anytime through the internet. Share photos and videos with your family and friends through a secure URL link.

      * 100GB free ASUS Webstorage for 1 year.