ASRock Radeon RX 6400 Challenger ITX 4GB

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.

Introducing AMD Radeon™ RX 6400 graphics cards, featuring the breakthrough AMD RDNA™ 2 architecture and engineered to deliver great gaming performance with remarkable efficiency. Blaze a trail into tomorrow, dive into 1080P gaming, enjoy vivid virtual worlds, and elevated experiences with the power of next-generation graphics.

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.

AMD FidelityFX Super Resolution is available on select games and requires developer integration. See https://www.amd.com/en/technologies/radeon-software-fidelityfx-super-resolution for a list of supported games. AMD FidelityFX Super Resolution is “game dependent” and is supported on the following AMD products: AMD Radeon™ RX 6000, RX 5000, RX 500, RX Vega Series graphics cards & all AMD Ryzen™ Processors with Radeon™ Graphics, as long as the minimum requirements of the game are met. AMD does not provide technical or warranty support for AMD FidelityFX Super Resolution enablement on other vendor's graphics cards. GD-187.
Testing by AMD Performance Labs as of June 11, 2021, on the AMD Radeon™ 6900 XT, AMD Radeon™ 6800 XT, and AMD Radeon™ 6700 XT graphics cards with pre-release AMD Radeon™ Software 21.6.1 RC Prime 9 (21.20-210518a-367616E) driver with AMD Smart Access Memory enabled, on a test system comprising of an AMD Ryzen™ 9 5900X, 16GB DDR4-3200 RAM, ASRock X570 Taichi motherboard with BIOS version P3.61 at default settings, and Windows^® 10 Pro May 2020 Update (19041.508). Benchmark tests: Anno 1800, DX12, 3840 x 2160, Ultra Hight preset, no raytracing. Evil Genius 2, Vulkan, 3840 x 2160, Ultra preset, no raytracing. Godfall, DX12, 3840 x 2160, Epic preset, Raytracing ON. Kingshunt, DX12, 3840 x 2160, Ultra preset, no raytracing. The Riftbreaker, DX12, 3840 x 2160, Ultra preset, Raytracing ON. Terminator: Resistance, DX11, 3840 x 2160, Epic preset, no raytracing. Game 7, DX12, 3840 x 2160, High preset, no raytracing. Performance may vary and is dependent on the FSR Quality Mode selected. FSR requires developer integration and is available in select games only. RS-365.

© 2022 Advanced Micro Devices, Inc. All rights reserved. AMD, the AMD Arrow logo, FidelityFX, FreeSync, Infinity Cache, Radeon, RDNA, Ryzen, and combinations thereof are trademarks of Advanced Micro Devices, Inc. DirectX and Windows^® are registered trademarks of Microsoft Corporation in the US and/or other countries. Other product names used herein are for identification purposes only and may be trademarks of their respective companies.

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Description	Language	Download
Quick Installation Guide	Multi-Language	Global	China
RoHS	English	Global	China
FCC	English	Global	China
CE Declaration of Conformity	English	Global	China
UKCA Declaration of Conformity	English	Global	China