ASRock Radeon RX 6400 Challenger ITX 4GB Graphics Card

£172.48 inc. vat

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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.

Super Alloy Motherboard


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.

Main Features

Single Fan Design

0dB Silent Cooling

Super Alloy Graphics Card

ASRock Tweak 2.0

8K Resolution Support

AMD FidelityFX Super Resolution

Hardware Raytracing


Chipset Manufacturer AMD

Chipset Model Name Radeon RX

Chipset Model Number 6400

Chipset Additional Information Challenger ITX

Chip Clock 1923 ~ 2321 MHz


Memory Size 4096 MB


Memory Clock 16 Gbps

Memory Type GDDR6

Memory Width 64 bit


Video Card Bus Type PCI Express

Video Card Bus Version 4.0 x16

HDMI Port 1 x HDMI 2.1

DisplayPort 1 x DisplayPort 1.4a

System Requirements

System Requirements 1 x PCI Express 4.0 x16 slot

Recommended 350W or greater PSU


Multiple Monitor Support (Max) Yes (2)

Maximum Resolution 7680 x 4320 pixels


Form Factor Graphics Card

In The Box Graphics Card

Width 39 mm (Dual Slot)

Depth 162 mm

Height 112 mm

Weight 275 g


Warranty 2 Years

Key Features

Interface Type PCI Express 4.0

VGA Connection No

DVI Connection No

HDMI Connection Yes

Graphics Usability Gaming

DisplayPort Connection Yes

Direct X Support Direct X 12

Cooler Type Dynamic Fan

Low Profile No

AMD Radeon RX 6400

PCI-E Pin Type None

FreeSync Yes

Cooling Technology Dynamic Fan

VR Ready No

GPU Length 162 mm

Card Width Dual Slot


Additional information





Model Number






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