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Black triple-fan graphics card with metal backplate, 2.9-slot design

ASUS

ASUS ROG-STRIX-RTX3080-O12G-GAMING graphics card

SKU CH-611Z-TWHJ9 MPN ROG-STRIX-RTX3080-O12G-GAMING

Refurbished GeForce RTX 3080 with 12GB GDDR6X, 8960 CUDA cores, 1890 MHz OC boost, triple-fan cooler and PCIe 4.0

  • InterfacePCI Express 4.0
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 30 Series
  • GPUGeForce RTX 3080
  • ArchitectureAmpere
  • Boost ClockOC mode: 1890 MHz Gaming mode: 1860 MHz
  • 12 GB GDDR6X memory at 19 Gbps fuels 4K gaming
  • Boost clock reaches 1890 MHz in OC mode for higher frame rates
  • 8960 CUDA cores on Ampere architecture accelerate ray tracing and AI workloads
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays
  • Triple-fan cooler with 2.9-slot design sustains 390 W TDP under load

12GB GDDR6X PCIe 4.0 graphics card

The ASUS ROG Strix GeForce RTX 3080 OC Edition targets enthusiasts who need 12GB of 384-bit GDDR6X memory for 4K gaming and creative workloads. It connects via PCI Express 4.0 and drives up to four displays through two HDMI 2.1 and three DisplayPort 1.4a outputs. The Ampere architecture delivers 8960 CUDA cores with a 390W thermal design power rating.

Sustained load behaviour with 390W TDP

Under continuous load the card runs at the Gaming mode boost of 1860 MHz while the 19 Gbps memory feeds the 384-bit bus. The triple-fan cooler uses an Axial-tech design to move air through the 2.9-slot heatsink, keeping temperatures stable during extended sessions. A recommended 850W power supply feeds three 8-pin connectors to maintain the 390W power target without throttling.

Installation notes for a 2.9-slot triple-fan card

The 2.9-slot thickness requires a case with enough clearance for three expansion slots and sufficient length for the triple-fan shroud. Three separate 8-pin PCIe power cables must reach the card; daisy-chained cables can cause instability at full load. GPU Tweak II software switches between OC mode at 1890 MHz and Gaming mode at 1860 MHz, and also controls the fan curve for quieter operation.

Highlights

  • 12 GB GDDR6X memory at 19 Gbps fuels 4K gaming
  • Boost clock reaches 1890 MHz in OC mode for higher frame rates
  • 8960 CUDA cores on Ampere architecture accelerate ray tracing and AI workloads
  • Two HDMI 2.1 and three DisplayPort 1.4a outputs drive up to four 8K displays
  • Triple-fan cooler with 2.9-slot design sustains 390 W TDP under load

Specifications

BrandASUS
SeriesROG Strix
ModelROG-STRIX-RTX3080-O12G-GAMING
InterfacePCI Express 4.0
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 30 Series
GPUGeForce RTX 3080
ArchitectureAmpere
Boost ClockOC mode: 1890 MHz
Gaming mode: 1860 MHz
CUDA Cores8960
Effective Memory Clock19 Gbps
Memory Size12GB
Memory Interface384-Bit
Memory TypeGDDR6X
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1
DisplayPort3 x DisplayPort 1.4a
ColorBlack
Max Resolution7680 x 4320
SLI SupportNo
Virtual Reality ReadyYes
CoolerTriple Fans
Thermal Design Power390W
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 weight0.45 kg
Package size25 × 25 × 25 mm

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