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Overview
The ASUS ROG Astral GeForce RTX 5090 32GB GDDR7 OC Edition is a high-performance graphics card built around the NVIDIA GeForce RTX 5090 GPU and Blackwell architecture. Designed for demanding gaming, 3D rendering, AI-assisted workloads, and creative production, this model combines 32GB of GDDR7 video memory with a factory-overclocked GPU and a four-fan cooling system.
Part of the ASUS Republic of Gamers (ROG) Astral series, this graphics card features a substantial heatsink assembly, a vapor chamber cooling system, and a reinforced metal construction. It supports PCI Express 5.0 and provides HDMI and DisplayPort outputs for multi-display configurations.
Graphics Performance and Memory
The NVIDIA GeForce RTX 5090 GPU uses NVIDIA Blackwell architecture and supports advanced rendering and AI-assisted graphics technologies, including NVIDIA DLSS 4. Its 21,760 CUDA cores and 32GB of GDDR7 memory provide substantial parallel processing capacity for graphics-intensive applications and compatible GPU-accelerated workloads.
The factory-overclocked configuration offers a boost clock of up to 2610 MHz in OC mode, while the default mode provides a boost clock of up to 2580 MHz. Users can access additional monitoring and tuning options through ASUS GPU Tweak III software.
Cooling and Thermal Design
The ROG Astral cooling assembly uses four Axial-tech fans, a patented vapor chamber, and a dense heatsink fin array to manage heat generated during intensive GPU workloads. The vapor chamber incorporates milled pathways designed to improve contact with the heat pipes and facilitate heat transfer.
A phase-change GPU thermal pad supports heat transfer from the GPU, while ASUS MaxContact technology increases the GPU heat spreader's contact surface. The card also incorporates a protective PCB coating and a reinforced metal frame, shroud, and backplate.
Display Connectivity
The graphics card provides two native HDMI 2.1b outputs and three native DisplayPort 2.1b outputs. It supports HDCP 2.3 and a maximum digital resolution of 7680 × 4320. Up to four displays can be supported simultaneously, subject to display configuration and system requirements.
These connections accommodate compatible gaming monitors, high-resolution displays, and multi-monitor workstations. Actual refresh rates and supported display modes depend on the monitor, connection type, resolution, and configuration.
Key Features
- NVIDIA GeForce RTX 5090: Blackwell-based GPU with 21,760 CUDA cores for demanding graphics and parallel computing workloads.
- 32GB GDDR7 memory: 512-bit memory interface and 28 Gbps memory speed.
- Quad-fan cooling: Four Axial-tech fans, a vapor chamber, and a phase-change GPU thermal pad.
- Factory overclocking: Boost clock up to 2610 MHz in OC mode and 2580 MHz in default mode.
- Multi-display connectivity: Two HDMI 2.1b and three DisplayPort 2.1b outputs, with support for up to four simultaneous displays.
Applications
- High-resolution gaming: GPU-intensive games using compatible ray tracing, neural rendering, and DLSS technologies.
- Content creation: Video editing, 3D modelling, rendering, and other GPU-accelerated creative applications.
- AI development: Compatible local AI inference, machine-learning experiments, and GPU-accelerated workflows.
- Multi-display workstations: Configurations requiring multiple high-resolution monitors for creative or technical work.
System Compatibility and Installation
The card uses a PCI Express 5.0 interface and requires a compatible desktop motherboard, a suitable computer chassis, and an adequate power supply. The graphics card occupies 3.8 expansion slots and measures 357.6 × 149.3 × 76 mm.
ASUS recommends a 1000W power supply based on a fully overclocked GPU and CPU system configuration. The card uses one 16-pin power connector. Confirm that the power supply provides a compatible connection and sufficient capacity for the complete system before installation.
DC Supplies Product Note
Check chassis clearance and power delivery before purchasing. At 357.6 mm long and 76 mm thick, this 3.8-slot graphics card requires careful verification of available GPU space, adjacent expansion slots, and internal component clearance. Also confirm that the power supply can support the complete system and that the 16-pin GPU power connection can be routed according to the applicable hardware manufacturer's instructions.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | ASUS |
| Manufacturer / Sub-brand | ASUS Republic of Gamers (ROG) |
| Part Number / MPN | ROG-ASTRAL-RTX5090-O32G-GAMING |
| Product Type | Desktop graphics card |
| Series | ROG Astral |
| Model | ROG Astral GeForce RTX 5090 32GB GDDR7 OC Edition |
| Graphics Processor | NVIDIA GeForce RTX 5090 |
| GPU Architecture | NVIDIA Blackwell |
| CUDA Cores | 21,760 |
| Video Memory | 32GB GDDR7 |
| Memory Interface | 512-bit |
| Memory Speed | 28 Gbps |
| Engine Clock — OC Mode | 2610 MHz |
| Engine Clock — Default Mode | 2580 MHz boost clock |
| Bus Standard | PCI Express 5.0 |
| Maximum Digital Resolution | 7680 × 4320 |
| HDMI Outputs | 2 × native HDMI 2.1b |
| DisplayPort Outputs | 3 × native DisplayPort 2.1b |
| HDCP Support | HDCP 2.3 |
| Maximum Display Support | 4 simultaneous displays |
| OpenGL Support | OpenGL 4.6 |
| Cooling Design | Four Axial-tech fans with vapor chamber cooling |
| Expansion Slot Occupancy | 3.8 slots |
| Power Connector | 1 × 16-pin |
| Recommended Power Supply | 1000W |
| Lighting | ARGB with ASUS Aura Sync |
| Software | ASUS GPU Tweak III and MuseTree; NVIDIA Game Ready and Studio drivers |
| Dimensions | 357.6 × 149.3 × 76 mm |
Frequently Asked Questions
1. Which GPU does this ASUS ROG Astral graphics card use?
It uses the NVIDIA GeForce RTX 5090 GPU based on NVIDIA Blackwell architecture, with 21,760 CUDA cores and 32GB of GDDR7 video memory.
2. What power supply is recommended?
ASUS recommends a 1000W power supply based on a fully overclocked GPU and CPU system configuration. Actual system requirements depend on the other installed components and their power consumption.
3. Will this graphics card fit in any desktop PC?
No. The chassis must accommodate its 357.6 mm length, 149.3 mm height, 76 mm thickness, and 3.8-slot expansion footprint. Check the chassis manufacturer's GPU clearance specifications before installation.
4. How many monitors can the card support?
The card supports up to four simultaneous displays through its two HDMI 2.1b and three DisplayPort 2.1b outputs. Supported resolutions and refresh rates depend on the displays and connection configuration.
5. Which software is available for this graphics card?
ASUS provides GPU Tweak III for graphics card monitoring and tuning. NVIDIA Game Ready and Studio drivers are also available, while compatible games and applications can use supported NVIDIA graphics and AI technologies.
6. Does the card support PCI Express 5.0 motherboards?
Yes. The card uses PCI Express 5.0. Before installation, confirm motherboard compatibility, available expansion space, power delivery, and chassis clearance.