ASRock Radeon RX 6400 Challenger ITX 4GB - Graphics card

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.

2oz Copper PCB
Using only carefully selected copper materials for PCB layers, 2oz Copper PCB delivers lower temperature and higher energy efficiency for overclocking.

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.

ASRock Tweak 2.0
Pro and Easy-to-Use Tuning Utility.
Provides the smart fan speed control and instant performance tweaking.

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 games 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.