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ASRock AMD Radeon RX 6400 Challenger
  • ASRock AMD Radeon RX 6400 Challenger

    Single Fan Design Optimized Cooling Efficiency
    Single fan that provide strong cooling performance and make your gaming rig stay cool. It's optimized for delivering excellent gaming experience with stylish and streamlined design.

    0dB Silent Cooling Spin For Cooling, Stop For Silence
    The fan spins when the temperature goes high for the optimal cooling, and stops when the temperature goes low for the complete silence.

    Nano Thermal Paste Perfect Thermal Teamwork
    Eliminate the gaps in the contact area to maximize heat transfer and thermal efficiency.

    Precise Screw Torque Optimized Mounting Pressure
    ASRock adopts precise screw torque when assembling its graphics cards to optimize the cooler mounting pressure to improve thermal efficiency while avoiding damage to GPU die

    Dr. MOS
    Dr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Intelligently delivering higher current and driving up to 50A continuous current for each phase, thus providing improved thermal result and superior performance

    Premium 90A Power Choke
    Compared to traditional chokes, ASRock's premium 90A power chokes effectively make the saturation current up to three times better, thus providing enhanced and improved Vcore voltage to the graphics card.

    Matte Black PCB
    A new mysterious matte black and copper color scheme to match the prestigious components on ASRock's high-end graphics card.

    High Density Glass Fabric PCB
    High Density Glass Fabric PCB design that reduces the gaps between the PCB layers to protect the graphics card against electrical shorts caused by humidity.

    8K Resolution Support
    Not only can it handles 4K graphics but also supports the next generation 8K video output for the ultimate visual experience.

    PCI Express 4.0 Support
    This graphics card features PCI Express 4.0 support, with a throughput of 16 GT/s and enables two times the bandwidth compared to PCI Express 3.0. Get ready for the next generation of PC gaming.

    Great 1080p Performance
    AMD Radeon RX 6400 graphics cards deliver great 1080p gaming and impressive frame rates. The power of AMD RDNA 2 architecture is unleashed with up to 12 powerful graphics compute units, coupled with all ultra-high bandwidth AMD Infinity Cache™, and up to 4GB of dedicated GDDR6 memory.

    Vivid Visuals
    With immersive gaming technologies and support for DirectX 12 Ultimate, AMD Radeon RX 6400 graphics cards draw you into the action. Experience gaming with realistic lighting, shadows, and reflections along with rich detail, thanks to DirectX® Raytracing (DXR), variable rate shading (VRS), and AMD FidelityFX technology features, optimized for AMD RDNA 2 architecture.

    Get A Boost In Frames For Your Games
    AMD FidelityFX Super Resolution (FSR) technology boosts your frame rates by 2.4X on average across select FidelityFX Super Resolution supported games2 with high-quality, high-resolution gaming experiences delivered by AMD Radeon RX 6000 Series graphics cards. Optimize your gaming experience between four presets, ranging from best visual fidelity to maximum performance.

    The Best Gaming Experience For The Best Gaming OS
    AMD Radeon graphics with Windows 11 enables the ultimate gaming experience through superior graphics, amazing performance, optimized security features. With support for DirectX 12 Ultimate, Auto HDR, AMD Radeon graphics, and Radeon software all stand ready to supercharge your gaming experience with Windows 11.

    Clock: GPU / Memory
    Boost Clock: Up to 2321 MHz / 16 Gbps
    Game Clock: Up to 2039 MHz / 16 Gbps
    Base Clock: 1923 MHz / 16 Gbps

    Key specification
    6nm AMD Radeon RX 6400
    4GB GDDR6
    AMD RDNA 2 Architecture
    DirectX 12 Ultimate
    PCI Express 4.0 Support
    1 x DisplayPort 1.4 with DSC / 1 x HDMI 2.1 VRR

    Key Features
    Single Fan Design
    0dB Silent Cooling
    Super Alloy Graphics Card
    ASRock Tweak 2.0
    8K Resolution Support
    AMD FidelityFX Super Resolution
    Hardware Raytracing


    Graphics Engine
    AMD Radeon RX 6400

    Bus Standard
    PCI Express 4.0 x4

    12 Ultimate


    4GB GDDR6

    Engine Clock
    Boost Clock: Up to 2321 MHz
    Game Clock: Up to 2039 MHz
    Base Clock: 1923 MHz

    Stream Processors

    Memory Clock
    16 Gbps

    Memory Interface

    Digital Max Resolution: 7680 x 4320

    1 x HDMI 2.1 VRR
    1 x DisplayPort 1.4 with DSC



    Recommended PSU

    1 x Quick Installation Guide

    162 x 112 x 39 mm, 2-slot

    Net Weight

    • Key Specifications

      Chipset Manufacturer AMD
      Chipset Series RX
      Chipset RX 6400
      Form Factor 2x ATX
      Memory 4GB
      Fans 1
      RGB No
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