Overview
The ASUS ROG Astral RTX 5080 OC 16GB GDDR7 is a flagship graphics card built on NVIDIA's Blackwell architecture, designed for enthusiasts who demand the absolute best in gaming and creative performance. Powered by the NVIDIA GeForce RTX 5080 GPU with 16GB of GDDR7 memory, this card achieves a boost clock of 2,790 MHz out of the box. It represents the pinnacle of ASUS's ROG lineup, combining cutting-edge cooling technology with premium build quality. What sets the ROG Astral apart is its quad-fan cooling system — a first for the ROG series. Four Axial-tech fans work in concert with a patented vapor chamber and a milled heat spreader to keep the GPU cool under heavy loads. The inclusion of phase-change GPU thermal pads ensures long-term thermal stability, preventing the degradation seen in traditional thermal compounds over time. Positioned firmly in the high-end segment, this card targets gamers and creators who want the best possible performance from the RTX 5080 platform. The OC edition offers higher out-of-the-box clock speeds than the reference design, making it a compelling choice for those who want to skip manual overclocking while still getting top-tier results.
Compatibility Guide
Interface: PCIe 5.0 x16 (backward compatible with PCIe 4.0/3.0) Power: Requires a 12VHPWR connector; recommended PSU is 850W or higher. If using an older PSU, the included adapter needs three 8-pin PCIe connectors. Physical size: 3.8-slot design — this is a very thick card. Measure your case's GPU clearance carefully before purchase. Most Mini-ITX and compact mid-tower cases will not fit. Outputs: 3x DisplayPort 2.1a, 2x HDMI 2.1b — supports multi-monitor setups up to 4K 240Hz or 8K 60Hz. * Cooling: Quad-fan design with vapor chamber. Ensure your case has adequate airflow, especially top and rear exhaust fans, to handle the heat output.
Product Info
The ASUS ROG Astral RTX 5080 OC launched in early 2025 as a premium variant of NVIDIA's RTX 5080 lineup. It sits firmly in the high-end tier, justified by its factory-overclocked boost clock of 2,790 MHz, 16GB of GDDR7 memory, and the most advanced cooling solution ASUS has ever put on a graphics card. The quad-fan design, vapor chamber, and phase-change thermal pads are all aimed at maximizing thermal headroom for sustained performance. Release: Early 2025 Pricing: Approximately ¥330,000–¥340,000 in Japan Warranty: Standard ASUS 3-year warranty (confirm with retailer) Key specs: 16GB GDDR7, 2,790 MHz boost, PCIe 5.0, 3.8-slot, quad-fan
Best Use Cases
4K High-Refresh Gaming: If you game at 4K resolution and want to push 120+ fps in the latest AAA titles, this card delivers. The 16GB VRAM ensures you won't hit memory limits even with high-resolution texture packs. However, for 1080p or 1440p gaming, this card is overkill — a RTX 5070 or RX 9070 would be more cost-effective. Content Creation & AI Workloads: Video editors working with 4K/8K timelines, 3D artists rendering complex scenes, and AI researchers running local models will benefit from the 16GB VRAM and Blackwell architecture's dedicated AI accelerators. The card handles Blender, DaVinci Resolve, and Stable Diffusion with ease. Casual photo editors or office users should look at lower-tier cards. * High-End VR Gaming: VR titles demand high frame rates and low latency at high resolutions. The RTX 5080's raw power and DLSS 4 support make it an excellent choice for VR enthusiasts. If you only play non-VR esports titles, a much cheaper card would suffice. ## Alternatives
Direct competitors in the same price tier include the MSI GeForce RTX 5080 SUPRIM and the GIGABYTE AORUS RTX 5080 MASTER. The MSI SUPRIM uses a triple-fan design and is slightly more compact, making it easier to fit in smaller cases, but its cooling headroom is lower than the ROG Astral's quad-fan setup. The GIGABYTE AORUS MASTER offers extensive RGB lighting and a large LCD display, but its thermal performance under sustained load is not as strong as the ROG Astral's vapor chamber solution. If you prioritize raw cooling performance and are building in a full-tower or large mid-tower case, the ROG Astral is the better choice. If space or budget is tighter, the MSI SUPRIM offers a more compact footprint with still excellent performance.
Things to Consider
The most significant limitation of the ROG Astral RTX 5080 OC is its physical size. At 3.8 slots thick, it will not fit in many cases, especially compact or Mini-ITX builds. Always measure your case's GPU clearance before purchasing. Heat output is substantial — the quad-fan design moves a lot of air, but that air needs somewhere to go. Ensure your case has good exhaust fan placement (top and rear) to prevent heat buildup. A case with a mesh front panel and at least three fan slots is recommended. Power requirements are also demanding. An 850W PSU is the minimum recommendation, and a 1000W unit
Product Disclosure (Amazon)
- Manufacturer: ASUS
- Seller: ジュリア本店
- Fulfilled by: ジュリア本店
- ASIN: B0DQSD7YQC
- Note: This article covers a manufacturer-made product based on Amazon listing details.





