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MSI

MSI RTX 4090 GAMING X SLIM 24G graphics card

SKU CH-KAN2-FQ8HH MPN RTX 4090 GAMING X SLIM 24G

A refurbished RTX 4090 with 24GB GDDR6X memory, 16384 CUDA cores and a triple-fan cooler for 4K gaming and heavy compute workloads

  • InterfacePCI Express 4.0 x16
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 40 Series
  • GPUGeForce RTX 4090
  • Boost Clock2595 MHz
  • CUDA Cores16384
  • 24 GB GDDR6X memory feeds 4K and 8K workloads without swapping
  • 16384 CUDA cores accelerate compute-heavy rendering and AI tasks
  • Boost clock reaches 2595 MHz for higher frame rates in demanding titles
  • Triple-fan cooler keeps thermals in check under sustained 450 W loads
  • HDMI 2.1 and DisplayPort 1.4a drive four 8K displays simultaneously

Product identity

The MSI RTX 4090 GAMING X SLIM 24G is a refurbished graphics card built around the GeForce RTX 4090 GPU with 24GB of GDDR6X memory on a 384-bit bus. It targets creators and enthusiasts who need maximum frame-buffer capacity for 8K workloads, heavy rendering or high-refresh 4K gaming. The triple-fan cooler and 2595 MHz boost clock are engineered to sustain that performance inside a standard ATX form factor.

Upgrade threshold

This card replaces any GPU limited to 12GB or less of video memory, where texture streaming or compute buffers become the bottleneck. The jump is worth it when your current 384-bit or narrower interface cannot feed the 16384 CUDA cores at 21 Gbps, or when DirectX 12 Ultimate feature support is required for upcoming titles. A 450W thermal design power and single 16-pin connector mark the minimum power envelope for the upgrade.

Build integration

The 322 mm length fits most mid-tower cases while the ATX bracket occupies two slots. You need an 850W power supply with a native 16-pin cable or a certified adapter, plus PCI Express 4.0 x16 bandwidth to avoid interface saturation. Two HDMI 2.1 and two DisplayPort 1.4a outputs drive up to four displays at 7680 x 4320, freeing you from daisy-chain adapters or DSC compression compromises.

Highlights

  • 24 GB GDDR6X memory feeds 4K and 8K workloads without swapping
  • 16384 CUDA cores accelerate compute-heavy rendering and AI tasks
  • Boost clock reaches 2595 MHz for higher frame rates in demanding titles
  • Triple-fan cooler keeps thermals in check under sustained 450 W loads
  • HDMI 2.1 and DisplayPort 1.4a drive four 8K displays simultaneously

Specifications

BrandMSI
SeriesGaming
ModelRTX 4090 GAMING X SLIM 24G
InterfacePCI Express 4.0 x16
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 40 Series
GPUGeForce RTX 4090
Boost Clock2595 MHz
CUDA Cores16384
Effective Memory Clock21000 MHz (21 Gbps)
Memory Size24GB
Memory Interface384-Bit
Memory TypeGDDR6X
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort2 x DisplayPort 1.4a
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power450W
Recommended PSU Wattage850W
Power Connector1 x 16-Pin
Form FactorATX
Max GPU Length322 mm
Shipping weight2.65 kg
Package size419 × 279 × 114 mm

Questions about this item

Will the 322 mm length fit in a standard ATX case?

The card measures 322 mm long in an ATX form factor, so check your case clearance against that figure before buying.

Which power connector does the 16-Pin plug into?

Connect the single 16-Pin power connector directly to a native 12VHPWR cable from an 850W or larger PSU; avoid daisy-chained adapters.

How often should the triple-fan cooler be cleaned?

Remove dust from the three fans and heatsink fins every 6 to 12 months to maintain the 450W thermal headroom.

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