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White triple-fan graphics card with silver accents and a metal backplate

ASUS

ASUS ROG Astral White GeForce RTX 5080 16GB OC Edition graphics card

SKU CH-S3FT-2ZB5F

GeForce RTX 5080 graphics card with 16GB GDDR7 memory, 10752 CUDA cores, PCI Express 5.0 and DLSS 4.0 support

  • Graphics processorGeForce RTX 5080
  • Memory capacity16 GB
  • Interface typePCI Express 5.0 x16
  • CUDA core count10752
  • Highest resolution7680 × 4320
  • Type of memoryGDDR7
  • 16GB GDDR7 memory at 30 Gbps fuels 4K and 8K gaming
  • 10752 CUDA cores on Blackwell architecture accelerate ray tracing and AI workloads
  • DLSS 4.0 upscaling boosts frame rates while preserving detail
  • PCI Express 5.0 x16 interface delivers maximum bandwidth to the GPU
  • 2x HDMI 2.1b and 3x DisplayPort 2.1a drive four displays at 7680x4320

ASUS ROG Astral White GeForce RTX 5080 16GB

This graphics card uses the NVIDIA Blackwell architecture with 10752 CUDA cores and 16GB of GDDR7 memory on a 256-bit bus. It is built for enthusiasts who want high frame rates at 4K and beyond. The OC Edition ships with factory overclocking for extra headroom in demanding titles.

PCI Express 5.0 x16 interface limits

The card connects through a PCI Express 5.0 x16 slot, which provides up to 32 GT/s per lane. A motherboard limited to PCI Express 4.0 will halve the theoretical peak bandwidth. The 30 Gbps memory clock also relies on the full 5.0 link to avoid bottlenecks in memory-heavy workloads.

Check motherboard slot and display outputs

Verify that your motherboard has a full-length PCI Express 5.0 x16 slot wired for 16 lanes. Confirm your power supply has the required 12VHPWR connector for this model. The card offers two HDMI 2.1b and three DisplayPort 2.1a outputs for up to four displays at 7680 x 4320 resolution.

How it compares

Measured against everything we stock in Desktop GPUs & Video Cards, at today’s prices. Recalculated every night.

Price $2,197.99
Pricier than about 91% of the 4,285 comparable items (median $354.99).
Memory capacity 16 GB
Higher than about 80% of the 3,563 comparable items (median 8 GB).
CUDA core count 10752
Higher than about 90% of the 1,946 comparable items (median 4,352).

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Specifications

Product
Brand nameASUS
Product lineROG Astral
Model nameROG-ASTRAL-RTX5080-O16G-WHITE
Processor
TDP rating360 W
Memory
Type of memoryGDDR7
Display
Highest resolution7680 × 4320
Graphics
Graphics processorGeForce RTX 5080
Memory capacity16 GB
CUDA core count10752
Chipset makerNVIDIA
Graphics seriesNVIDIA GeForce RTX 50 Series
GPU architectureBlackwell
Effective memory speed30 Gbit/s
Memory bus width256-Bit
DirectX support12 Ultimate
OpenGL support4.6
Supported displays4
CrossFireX compatibilityNo
Multi-GPU supportNo
Audio & video
HDCP supportYes
Ports & slots
Interface typePCI Express 5.0 x16
HDMI ports2 x HDMI 2.1b
DisplayPort connectors3 x DisplayPort 2.1a
Power
Recommended power supply850 W
Power input connector1 × 16-Pin
Size & build
Max graphics card length358 mm
Card size14.1 × 5.9 × 3 in
Slots occupied3.8 Slots

Questions about this item

Should I choose the 16 GB GDDR7 version of this ROG Astral RTX 5080?

This model ships with 16 GB of GDDR7 memory on a 256-bit bus running at 30 Gbps, giving you the full memory configuration for the RTX 5080 GPU.

What does the 10752 CUDA core count mean for actual performance?

The 10752 CUDA cores handle shading, compute and ray-tracing workloads on the Blackwell architecture, and they work with DLSS 4.0 to boost frame rates in supported titles.

How does the PCI Express 5.0 x16 interface affect real-world throughput?

The PCIe 5.0 x16 link doubles the lane bandwidth of the previous generation, removing the bus bottleneck for the RTX 5080 when paired with a compatible motherboard.

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