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Gray triple-fan graphics card with angular metal shroud and illuminated ROG branding

ASUS

ASUS ROG Astral GeForce RTX 5080 O16G GAMING graphics card

SKU CH-GAR7-V9B8P

16GB GDDR7 graphics card with 10752 CUDA cores, PCIe 5.0 and DLSS 4.0 for 7680x4320 gaming

  • InterfacePCI Express 5.0 x16
  • Chipset ManufacturerNVIDIA
  • GPU SeriesNVIDIA GeForce RTX 50 Series
  • GPUGeForce RTX 5080
  • ArchitectureBlackwell
  • CUDA Cores10752
  • 16GB GDDR7 memory at 30 Gbps fuels high-resolution gaming
  • 10752 CUDA cores accelerate compute-heavy workloads
  • DLSS 4.0 upscaling boosts frame rates with AI
  • PCI Express 5.0 x16 interface maximises bandwidth
  • HDMI 2.1b and DisplayPort 2.1a drive 7680 x 4320 displays

ASUS ROG Astral GeForce RTX 5080 16GB GDDR7

The ASUS ROG Astral GeForce RTX 5080 O16G GAMING is a graphics card built on the Blackwell architecture for high-resolution gaming and content creation. It delivers 10752 CUDA cores and 16GB of GDDR7 memory on a 256-bit interface for demanding workloads.

Thermals noise and power draw in normal use

The card connects through a PCI Express 5.0 x16 slot and supports DirectX 12 Ultimate with OpenGL 4.6 for modern API features. Display outputs include 2 x HDMI 2.1b and 3 x DisplayPort 2.1a driving up to four monitors at 7680 x 4320 resolution.

16GB GDDR7 memory for 4K and AI workloads

The 16GB 256-bit GDDR7 frame buffer running at 30 Gbps effective clock is the specification that determines suitability for 4K gaming with DLSS 4.0 and large-model GPU compute tasks. This capacity and bandwidth combination defines the card's practical ceiling for texture-heavy scenes and inference batch sizes.

Highlights

  • 16GB GDDR7 memory at 30 Gbps fuels high-resolution gaming
  • 10752 CUDA cores accelerate compute-heavy workloads
  • DLSS 4.0 upscaling boosts frame rates with AI
  • PCI Express 5.0 x16 interface maximises bandwidth
  • HDMI 2.1b and DisplayPort 2.1a drive 7680 x 4320 displays

Specifications

BrandASUS
SeriesROG Astral
ModelROG-ASTRAL-RTX5080-O16G-GAMING
InterfacePCI Express 5.0 x16
Chipset ManufacturerNVIDIA
GPU SeriesNVIDIA GeForce RTX 50 Series
GPUGeForce RTX 5080
ArchitectureBlackwell
CUDA Cores10752
Effective Memory Clock30 Gbps
Memory Size16GB
Memory Interface256-Bit
Memory TypeGDDR7
DirectXDirectX 12 Ultimate
OpenGLOpenGL 4.6
Multi-Monitor Support4
HDMI2 x HDMI 2.1b
DisplayPort3 x DisplayPort 2.1a
ColorGray
Max Resolution7680 x 4320
CrossFireX SupportNo
SLI SupportNo
Virtual Reality ReadyYes
Thermal Design Power360W
Recommended PSU Wattage850W
Power Connector1 x 16-Pin
HDCP ReadyYes
Form FactorATX
Max GPU Length358 mm
Card Dimensions (L x H)14.1 x 5.9 x 3 inch
Slot Width3.8 Slots
Package Contents1 x Speedsetup Manual
1 x ROG Graphics Card Holder
1 x ROG Velcro Hook & Loop
1 x ROG Magnet
1 x ROG Graphics Card Keycap
1 x ROG PCB Ruler
1 x Thank You Card
1 x Adapter Cable (1 to 3)?

Questions about this item

How do I seat the card in a PCI Express 5.0 x16 slot without bending the board?

Align the gold fingers with the slot, press evenly on both ends until the retention clip clicks, then secure the bracket screw before connecting any power cables.

When will the 16GB GDDR7 memory or the 10752 CUDA cores need replacement under normal gaming loads?

The GPU and memory are soldered to the board and are not user-replaceable; the card is designed to last the product's usable life without component swaps.

At what point does the 30 Gbps effective memory clock hit a thermal limit during sustained 4K rendering?

The Blackwell architecture and GDDR7 memory are engineered to maintain the 30 Gbps clock within the card's thermal design; throttling only occurs if case airflow is insufficient.

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