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ASUS ROG Astral Miku C graphics card with teal and white finish and three fans

ASUS

ASUS ROG ASTRAL MIKU C GeForce RTX 5080 16GB GDDR7 Graphics Card

SKU CH-BC1M-VA0YB

GeForce RTX 5080 graphics card with 16 GB GDDR7 memory, 10752 CUDA cores and PCI Express 5.0 x16 interface

  • Graphics processorGeForce RTX 5080
  • Memory capacity16 GB
  • Interface typePCI Express 5.0 x16
  • CUDA core count10752
  • Highest resolution7680 × 4320
  • Type of memoryGDDR7
  • 16 GB GDDR7 memory at 30 Gbps feeds high-resolution textures
  • 10,752 CUDA cores accelerate ray-tracing and compute workloads
  • DLSS 4.0 upscaling boosts frame rates with AI
  • PCI Express 5.0 x16 doubles host bandwidth headroom
  • Four 7680 × 4320 displays driven by HDMI 2.1b and DisplayPort 2.1a

What the card is and who it serves

The ASUS ROG ASTRAL MIKU C GeForce RTX 5080 is a graphics card built on the Blackwell architecture with 10752 CUDA cores. It carries 16GB of GDDR7 memory on a 256-bit bus running at 30 Gbps. The PCI Express 5.0 x16 interface delivers full bandwidth to modern platforms. It targets creators and enthusiasts who need high frame rates at 4K and 8K resolutions.

Connectors and day-to-day use

Two HDMI 2.1b ports and three DisplayPort 2.1a outputs drive up to four displays simultaneously at 7680 x 4320. The mix lets you attach high-refresh monitors, VR headsets or a TV without adapters. DLSS 4.0 upscaling is supported in compatible titles. DirectX 12 Ultimate and OpenGL 4.6 cover current rendering workloads.

Upgrade context and when it matters

Moving from a card with less VRAM or an older memory type gains headroom for 4K textures and large creative projects. The 16GB GDDR7 buffer and 256-bit bus reduce bottlenecks in memory-heavy scenes. If your current GPU limits resolution, refresh rate or multi-monitor layouts, this step up removes those constraints.

How it compares

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

Price $2,768.99
Pricier than about 92% 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 lineMIKU
Model nameROG-ASTRAL-RTX5080-O16G-MIKU-C D7
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 seriesROG-ASTRAL-RTX5080-O16G-MIKU-C
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

What bandwidth ceiling does the PCI Express 5.0 x16 interface impose on this card?

The PCI Express 5.0 x16 link provides the electrical pathway for the RTX 5080 GPU and its 16GB GDDR7 memory running at 30 Gbps across a 256-Bit bus.

What physical space and power connectors does the ROG ASTRAL MIKU C need inside the case?

The card occupies a triple-slot footprint and draws auxiliary power through a 12VHPWR connector; verify case clearance and PSU cable reach before ordering.

Which driver step do builders often skip when installing this RTX 5080?

After seating the card and attaching the 12VHPWR cable, install the latest NVIDIA Game Ready driver before launching any title so DLSS 4.0 and the 10752 CUDA cores are recognised.

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