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Large black graphics card with three axial fans and metal backplate

ASUS

ASUS STRIX-RTX3090-24G-GA graphics card

SKU CH-YC77-FY05K MPN STRIX-RTX3090-24G-GA

Refurbished GeForce RTX 3090 with 24GB GDDR6X, 10496 CUDA cores, boost up to 1725 MHz, triple-fan cooler and 2 x HDMI 2.1 plus 3 x DisplayPort 1.4a

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 30 Series
  • GPUGeForce RTX 3090
  • Boost ClockOC Mode - 1725 MHz Gaming Mode - 1695 MHz
  • CUDA Cores10496
  • 24 GB GDDR6X memory enables high-resolution textures and large datasets
  • 10496 CUDA cores accelerate parallel compute and rendering workloads
  • Boost clock up to 1725 MHz in OC mode for higher frame rates
  • PCI Express 4.0 interface doubles bandwidth over PCIe 3.0 for faster data transfer
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays

24GB GDDR6X Graphics Card

The ASUS ROG Strix GeForce RTX 3090 delivers 24GB of GDDR6X memory across a 384-bit interface with 10496 CUDA cores. It targets creators and enthusiasts who need high memory capacity for 8K workflows, complex rendering, or heavy compute tasks. The card operates at a 1725 MHz boost clock in OC mode and 1695 MHz in gaming mode.

PCIe 4.0 Slot and 850W Power Supply

Verify your motherboard provides a PCI Express 4.0 x16 slot for full bandwidth. The card requires three 8-pin power connectors and a minimum 850W power supply. Ensure your chassis accommodates a triple-fan cooler and that your display cables match the two HDMI 2.1 and three DisplayPort 1.4a outputs.

Upgrade From 10GB or 12GB VRAM Cards

Moving from a 10GB or 12GB model removes VRAM bottlenecks in high-resolution textures and large datasets. The jump is worth it when 24GB lets you keep entire scenes in memory rather than streaming from system RAM. SLI Ready support remains for legacy multi-GPU compute workflows.

Highlights

  • 24 GB GDDR6X memory enables high-resolution textures and large datasets
  • 10496 CUDA cores accelerate parallel compute and rendering workloads
  • Boost clock up to 1725 MHz in OC mode for higher frame rates
  • PCI Express 4.0 interface doubles bandwidth over PCIe 3.0 for faster data transfer
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays

Specifications

BrandASUS
SeriesROG Strix
ModelROG-STRIX-RTX3090-24G-GAMING
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 30 Series
GPUGeForce RTX 3090
Boost ClockOC Mode - 1725 MHz
Gaming Mode - 1695 MHz
CUDA Cores10496
Effective Memory Clock19.5 Gbps
Memory Size24GB
Memory Interface384-Bit
Memory TypeGDDR6X
DirectXDirectX 12
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4a
Max Resolution7680 x 4320
SLI SupportSLI Ready
Virtual Reality ReadyYes
CoolerTriple Fans
System RequirementsRecommended PSU: 850W
Recommended PSU Wattage850W
Power Connector3 x 8-Pin
HDCP Ready2.3
FeaturesNVIDIA Ampere Streaming Multiprocessors: The building blocks for the world's fastest, most efficient GPU, the all-new Ampere SM brings 2X the FP32 throughput and improved power efficiency.
2nd Generation RT Cores: Experience 2X the throughput of 1st gen RT Cores, plus concurrent RT and shading for a whole new level of ray tracing performance.
3rd Generation Tensor Cores: Get up to 2X the throughput with structural sparsity and advanced AI algorithms such as DLSS. Now with support for up to 8K resolution, these cores deliver a massive boost in game performance and all-new AI capabilit
Max GPU Length319 mm
Card Dimensions (L x H)12.53" x 5.51"
Slot Width2.9-slot
Shipping weight2.43 kg
Package size406 × 236 × 89 mm

Questions about this item

What comes in the box and what extra cables or parts do I need to buy separately?

The card includes the triple-fan cooler and bracket; you must supply a power supply rated at 850 W and three 8-pin PCIe power cables.

Which clock setting should I run — OC mode at 1725 MHz or Gaming mode at 1695 MHz?

OC mode pushes the boost to 1725 MHz for maximum frame rates; Gaming mode runs at 1695 MHz with slightly lower power draw.

What does the 19.5 Gbps memory speed actually deliver inside a system?

The 19.5 Gbps GDDR6X on a 384-bit bus feeds the 10496 CUDA cores enough bandwidth for 4K and 8K workloads at 7680 x 4320 resolution.

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