B85 mATX gaming board with LANGuard, SupremeFX audio and Gamer's Guardian components and AI Suite 3

    • Intel® Socket 1150 for the New 4th/4thGeneration Core™ i7/Core™ i5/Core™ i3/Celeron® Processors
    • Dual DDR3 1600 support
    • Intel Gigabit Ethernet & LANGuard - Networking that just goes faster
    • SupremeFX - Flawless audio that makes you part of the game
    • Gamer's Guardian – The real-world protection
    Product Image
    • LANGuard
    • Intel® Ethernet
    • 1 x PCIe 3.0/2.0 X16
    • SupremeFX
      - SupremeFX Shielding Technology
      - ELNA® Premium Audio Capacitors
      - Headphone AMP
    • Intel® LGA 1150
    • DDR3 1600 MHz
      4DIMM, Dual-channel
    • 2 x SATA 3Gb/s
    • 4 x SATA 6Gb/s
    • Intel® B85 Chipset
    • 4 x USB 3.0 (2@rear; 2@board)
      6 x USB 2.0 (2@rear; 4@board)
    • PS/2
    • D-Sub
    • USB 3.0 x 2
    • LAN (RJ45)
    • 8-Channel Audio
    • PS/2
    • HDMI
    • USB 2.0 x 2

    Flawless audio that
    makes you part of the game!

    ASUS B85M-Gamer explodes the myth that dedicated sound cards are always better, with integrated SupremeFX technology that achieves near-lossless audio quality with a remarkable signal-to-noise ratio (SNR) of 115dB — meaning you hear every sound detail.

    • SupremeFX

      SupremeFX is an exclusive ASUS technology that's designed for one purpose — to deliver audio that's in a class of its own.

    • Red-line shielding

      Horizontally separates SupremeFX audio components from the rest of the motherboard, effectively eliminating interference to ensure flawless sound quality

    • 300Ω-headphone amplifier

      B85M-Gamer drives some of the very best headphones available — up to 300Ω load impedance. B85M-Gamer assures you great compatibility and more impactful output than standard onboard audio hardware. You demand superb effects and superior surround sound for truly immersive gaming experiences, and B85M-Gamer delivers!

    • EMI cover

      A carefully-engineered protective shield isolates the advanced audio chipset from electromagnetic interference (EMI), preserving the integrity of the audio signals.

    • Premium ELNA® audio capacitors

      Added to the mix to deliver a warmer, natural sound to complete the audio experience.

    Networking that
    just goes faster!

    The difference between defeat and victory can be measured in milliseconds. That's why we've equipped B85M-Gamer with networking technology that puts your frags first!

    Intel® Gigabit Ethernet

    Intel® Gigabit Ethernet provides better Throughput with lower processing power for superior speed and we've added our own advances to ensure the best possible performance for gamers – in every game and on every battlefield.

    2X-faster UDP game-data performance

    ASUS engineers used IxChariot, an independent network-assessment test tool, to determine just how much quicker Intel Gigabit Ethernet deals with the UDP data packets that are vital for responsive gaming. The results are in — and with B85M-Gamer your game-data packets flow up to two times (2X) faster!


    B85M-Gamer has the reinvented LAN Guard. Advanced signal-coupling technology and premium surface-mounted capacitors improve throughput, while surge-protected and electrostatically-guarded components (ESD Guards) protect your motherboard from lightning strikes and static electricity!

    Gamer's Guardian for
    real-world protection!

    While you protect your back in the game, B85M-Gamer protects all sides in the real world. Great motherboard design is all in the detail, which is why ASUS engineers kitted out B85M-Gamer with loads of brilliant protective features. Individually they're tough, together they're unstoppable.

    • DIGI+ VRM

      B85M-Gamer DIGI+ VRM voltage-regulator module (VRM) is one of the finest in the industry, ensuring ultra-smooth and ultra-clean power delivery to the CPU at all times!

    • DRAM overcurrent protection

      B85M-Gamer's connection ports and DRAM are protected against overcurrent and short-circuit damage by onboard resettable fuses, extending your motherboard's life.

    • Stainless steel back I/O

      Crafted from chromium-plated, corrosion-resistant stainless steel, B85M-Gamer's input/output (I/O) panel is super-strong — and last up to three times (3X) longer than ordinary panels!

    ESD Guards

    With ASUS ESD Guards your B85M-Gamer is actively protected against sudden electrostatic discharge (ESD), meaning the components will last much longer — and you get protection that's up to twice as resilient  as industry standards! ESD Guards include:

    • Keyboard and mouse connectors:

      Additional on-circuit ESD TVS diodes.

    • D-Sub:

      Additional on-circuit ESD TVS diodes to protect D-Sub functionality.

    • USB 3/2.0 connectors:

      On-circuit transient-voltage-suppression (TVS) diodes and capacitor protection for surface-mount and dual-inline packages.

    • Audio connectors:

      Capacitor protection on both front and back audio-output circuits.

    AI Suite 3
    optimized performance, always!

    AI Suite 3 is an exclusive ASUS dashboard-style control panel that lets you fine-tune almost every aspect of your B85M-Gamer-based system for the best balance between performance, stability and efficiency — all via a simple and intuitive interface.

    • Fan Xpert

      Put every fan in your system under Fan Xpert's comprehensive controls to create the perfect balance between great performance and peaceful operation.

    • USB 3.0 Boost

      This great ASUS-exclusive technology accelerates the already-fast speed of USB 3.0, enabling transfer speeds that are up to 1.33 (1.33X) times faster than standard USB 3.0.

    • System Information

      If you need to look up your PC's specification in a hurry then the System Information screen will show you want you need — right away!

    • EZ Update

      Your motherboard will always be kept up to date thanks to EZ Update — just click to check for the latest drivers.

    Award-winning BIOS design!

    B85M-Gamer is designed for speed and simplicity — a design ethic that extends right down into the motherboard's powerful and yet elegant UEFI BIOS.


    Your B85M-Gamer's UEFI BIOS includes both EZ Mode and Advanced Mode to suit your experience level and ambitions. In EZ Mode you can get set up very quickly, applying the date and time, fan profiles and Intel Extreme Memory Profile (XMP) memory profiles. Switch to Advanced Mode to set up favorites and shortcuts, record and review recent changes with Last Modified or make notes in Quick Notes.

    CrashFree BIOS 3

    Never again worry about corrupted a BIOS, as CrashFree BIOS 3 lets you restore a PC to working order — even when it won't boot!

    EZ Flash 2

    Quickly update your BIOS from a USB flash drive before entering the OS. It only takes a few clicks, with no floppy disk or an OS-based flash utility.

    The power of Intel!

    B85M-Gamer builds on the latest Intel technologies so you can take full advantage of some brilliant PC innovations, from cutting-edge desktop processors to auto-updating applications and the ability to wake your computer in just moments.

    B85 Express chipset for the latest Intel processors

    B85M-Gamer's Intel B85 Express heart is a single-chipset design that supports the very latest 4th-generation (socket LGA1150) Intel Core™ i7, i5 and i3 processors. It also supports Pentium® and Celeron® CPUs. B85 Express uses serial point-to-point links to delivers superb performance with great bandwidth and stability. It natively supports up to four USB 3.0 ports for transfer rates that are up to ten times (10X) faster transfer than USB 2.0. The B85 Express chipset also supports iGPU functionality, so you can enjoy the latest Intel integrated-graphics performance.

    Intel® Smart Connect Technology

    B85M-Gamer has Intel Smart Connect Technology to super-charge your daily computing. Receive updates from your favorite internet-connected apps even when your PC is asleep, so your computing experience becomes more fluid and efficient!

    Intel® Rapid Start Technology

    With Intel Rapid Start Technology built in your B85M-Gamer will awake from sleep in just moments. It's fast, effective and superbly energy efficient — all at the same time!