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ASRock Radeon RX 6400 Challenger ITX 4GB

4 GB GDDR6 - HDMI/DisplayPort - PCI Express (AMD Radeon RX 6400)

159€95
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Overview

Radeon RX 6400: Gaming in 1080p

Based on the AMD RDNA 2 architecture and supporting ray tracing, the ASRock Radeon RX 6400 Challenger ITX 4GB graphics card allows you to game in 1080p in good conditions thanks to AMD FidelityFX Super Resolution technology. With 768 stream processors, high frequencies and 4 GB of GDDR6 VRAM, the AMD Radeon RX 6400 gaming graphics card is designed to enjoy your PC games in full HD.

ASRock Radeon RX 6400 Challenger ITX 4GB

  • Compact ITX form factor with only 162 mm length
  • Single Fan Design
  • Striped Axial Fan
  • 0dB Silent Cooling function when the card is under low load
  • Customisation with ASRock Tweak 2.0

Powerful software suite

AMD Radeon Software Adrenalin drivers enhance your gaming experience. Enhance your gaming experience with Radeon Software. Enjoy features that enable a truly immersive experience with stunning visuals, jitter-free and tear-free gaming, reduced input latency, and updated game drivers as soon as they are released.

Specifications
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General information

Product name

ASRock Radeon RX 6400 Challenger ITX 4GB

Brand

ASRock

Model

RX6400 CLI 4G

Graphics chipset

Graphics chipset

AMD Radeon RX 6400

GPU brand

AMD

Chipset frequency

1923 MHz

Boosted frequency

2321 MHz

Overclocked

No

Bus

PCI Express 4.0 x16

Memory

Video memory size

4 GB

Memory interface

64 bit(s)

Video memory speed

16 Gbps

Memory type

GDDR6

Architecture

Stream processors

768

Direct X support (version)

12

Technical specifications

Multi-GPU

None

Display

Optimal in-game resolution

Full HD 1080p

4K UHD resolution(s)

Yes

VR Ready (virtual reality)

No

Connectivity

Video outputs

1 X HDMI Female
1 X DisplayPort Female

Number of monitor

2

HDMI standard

HDMI 2.1

DisplayPort standard

DisplayPort 1.4a

Power connector(s)

None

Design

Cooling type

Active (fansink)

Consumption

53 W

Low profile

No

Format

Dual Slot

Number of PCI slots

2

LED

No

LED RGB

No

Length

162 mm

Width

112 mm

Thickness

39 mm

Use

AMD Gamer

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

ASRock EUROPE B.V.

Postal address

Bijsterhuizen 11-11 6546 AR Nijmegen The Netherlands

Electronic Address

sales@asrock.nl

Product referenced on 20 Apr 2022

Customer reviews
  • 92%
    11 reviews
  • 0%
  • 8%
    1 review
  • 0%
  • 0%
  • by NicolasP
    Posted on 3 Mar 2026
    Bought on 3 Feb 2026 from LDLC
    Number of reviews: 1 Average rating: 10

    she annoys her clients

    I dealt with a very competent person who took care of everything from A to Z. Everything went very well.
    I personally thank her for her service.
    And I recommend LDLC in CHAMBRAY-LES-TOURS
    The product is installed, it works correctly.

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  • by AyannD
    Posted on 6 Jan 2026
    Bought on 9 Dec 2025 from LDLC
    Number of reviews: 3 Average rating: 10

    Very well

    It's a good graphics card for finally being able to play Minecraft with large patches without pings.

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  • by Sylvain J
    Posted on 27 Dec 2025
    Bought on 28 Nov 2025 from LDLC
    Number of reviews: 12 Average rating: 10

    Exceptional

    Small but super powerful graphics card. My son's games all run on ultra settings. RADEON cards are great value for money.

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  • by AdrienR
    Posted on 1 Nov 2025
    Bought on 29 Oct 2025 from LDLC
    Number of reviews: 1 Average rating: 10

    Radeon RX6400 ITX 4G card

    Very fast delivery, simple installation, works immediately and perfectly under Linux (Kubuntu) without needing to download drivers. On Windows, it's a different story: I had to download the installer from AMD to get Windows 11 to recognise the card.
    Purchased because the DisplayPort on my motherboard failed. Both screens are now on the graphics card (HDMI + DisplayPort) with extended desktop operation.
    Very satisfied with LDLC service.

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  • by Denis C
    Posted on 30 Aug 2025
    Bought on 29 Aug 2025 from LDLC
    Number of reviews: 37 Average rating: 9

    runs under Linux on a PCIe 3.0 x16 bus only (the card supports 4.0)

    This graphics card replaces an old family graphics card that was failing (only 128 MB of video RAM!), the PC is based on a 2017 Gigabyte motherboard with a Linux OS (in fact a Proxmox(/Debian) with a passthrough of the graphics card in a Linux/Devuan VM). Everything worked first time! In the VM lmsensors also displays fan speed and card temperatures. I ran flightgear to see (OK, it's not one of the latest GPU-intensive games and I'm not using the GPGPU to educate a rival model of Chat GPT, lol), I set the maximum number of rendering options, and despite that, despite the PCIe 3.0 bus when the card supports PCIe 4.0, I can't get the frame rate down below 60 frames per second, at maximum resolution... impressively smooth! In short: it works perfectly under Linux, including passthrough in a Linux VM running proxmox (kvm).

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