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White triple-fan graphics card with metal backplate, 3.5-slot thick

ASUS

ASUS ROG Strix GeForce RTX 4090 White Edition 24GB graphics card

SKU CH-YDQM-88D9Z

White-finish RTX 4090 with 24 GB GDDR6X, 3.5-slot triple-fan cooler, 23 % more airflow via Axial-tech fans, PCIe 4.0, HDMI 2.1a and DisplayPort 1.4a for 7680 x 4320 output

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 40 Series
  • GPUGeForce RTX 4090
  • Game Clock2520 MHz
  • CUDA Cores16384
  • 24 GB GDDR6X memory handles 8K textures and heavy workloads
  • 16384 CUDA cores at 2520 MHz game clock drive high frame rates
  • Axial-tech fans scaled up for 23% more airflow
  • Patented vapor chamber with milled heatspreader lowers GPU temperatures
  • 5-slot fin array with vented diecast shroud and backplate maximises heat dissipation

White Edition ROG Strix RTX 4090

The ASUS ROG Strix GeForce RTX 4090 White Edition is a high-end graphics card built on the NVIDIA Ada Lovelace architecture. It targets enthusiasts and creators who need 24GB of GDDR6X memory on a 384-bit interface for 4K gaming and professional rendering workloads. The card connects through a PCI Express 4.0 slot and provides two HDMI 2.1a ports plus three DisplayPort 1.4a outputs for up to four simultaneous displays.

Sustained-load thermal behaviour

A patented vapor chamber with a milled heatspreader sits above the GPU to spread heat quickly across a massive fin array. Three Axial-tech fans scaled up for 23% more airflow push air through the 3.5-slot heatsink while a diecast shroud, frame and vented backplate add rigidity and extra exhaust paths. Digital power control with high-current power stages and 15K capacitors delivers stable current during extended compute or gaming sessions.

24GB GDDR6X frame buffer

The single specification that determines suitability is the 24GB GDDR6X memory running at 21 Gbps across a 384-bit bus. This capacity and bandwidth combination lets the 16384 CUDA cores hold entire 4K texture sets and large scene data without paging to system RAM. If your workload fits inside 24GB the card will maintain full throughput; if it exceeds that limit you will need a different solution.

Highlights

  • 24 GB GDDR6X memory handles 8K textures and heavy workloads
  • 16384 CUDA cores at 2520 MHz game clock drive high frame rates
  • Axial-tech fans scaled up for 23% more airflow
  • Patented vapor chamber with milled heatspreader lowers GPU temperatures
  • 5-slot fin array with vented diecast shroud and backplate maximises heat dissipation

Specifications

BrandASUS
SeriesROG
ModelROG-STRIX-RTX4090-24G-WHITE
Part Number90YV0ID3-M0AA00
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 40 Series
GPUGeForce RTX 4090
Game Clock2520 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 2.1a
DisplayPort3 x DisplayPort 1.4a
Max Resolution7680 x 4320
CoolerTriple Fans
Thermal Design Power450W
Recommended PSU Wattage1000W
Power Connector1 x 16-Pin
HDCP ReadyYes
Form FactorATX
Max GPU Length358 mm
Slot Width3.5 Slot

Questions about this item

How hot and loud does the 3.5-slot vapor-chamber cooler run under 24/7 load?

The patented vapor chamber with milled heatspreader and three scaled-up Axial-tech fans move 23% more air than the prior design, keeping GPU temperatures lower during sustained full-power operation.

What power connectors and PSU headroom does the card need?

Digital power control with high-current stages and 15K capacitors demands a robust PSU with native 12VHPWR or multiple 8-pin PCIe cables to feed the 4090 GPU at its 2520 MHz game clock.

Will the 3.5-slot width and PCIe 4.0 x16 interface fit my older ATX case and motherboard?

The card occupies 3.5 slots and requires a PCIe 4.0 x16 slot; verify your case has the clearance and your board runs at 4.0 speeds for full 21 Gbps memory bandwidth.

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