ASRock AMD Radeon RX 6400 Challenger ITX 4GB Single Fan Graphics Card


Out of stock

ASRock AMD Radeon RX 6400 Challenger ITX 4GB Single Fan Graphics Card

£162.49 inc VAT

Out of stock

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


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 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
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



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