Product Overview
The ASUS ROG Strix NVIDIA GeForce RTX 3080 OC Edition is a high-performance gaming graphics card designed to deliver exceptional visual fidelity and frame rates. It features NVIDIA's Ampere architecture, 12GB of GDDR6X memory, and advanced cooling solutions to ensure stable operation during demanding tasks. This manual provides essential information for installation, operation, maintenance, and troubleshooting.

Image: ASUS ROG Strix RTX 3080 OC Edition Graphics Card shown with its packaging, highlighting the card's design and the product branding.
Setup and Installation
1. System Requirements
- PCIe 4.0 x16 slot on motherboard.
- Sufficient power supply unit (PSU) with appropriate PCIe power connectors. Consult your PSU's manual for compatibility.
- Compatible operating system (e.g., Windows 10/11 64-bit).
- Adequate case clearance for the 2.9-slot design and card dimensions (12.53 x 5.51 x 2.27 inches).
2. Physical Installation
- Power Off and Disconnect: Ensure your computer is completely powered off and unplugged from the wall outlet.
- Open Case: Remove the side panel of your computer case.
- Locate PCIe Slot: Identify an available PCIe 4.0 x16 slot on your motherboard. Remove any expansion slot covers that obstruct the installation.
- Insert Graphics Card: Carefully align the graphics card with the PCIe slot and press down firmly until it is securely seated. Ensure the retention clip on the motherboard clicks into place.
- Secure Card: Use screws to secure the graphics card to the case's expansion slots.
- Connect Power: Connect the necessary PCIe power cables from your PSU to the graphics card. This model typically requires multiple 8-pin connectors.
- Close Case: Replace the side panel of your computer case.
3. Driver Installation
- Connect Display: Connect your monitor to one of the DisplayPort 1.4a or HDMI 2.1 ports on the graphics card.
- Power On: Plug in your computer and power it on.
- Download Drivers: Navigate to the official NVIDIA website (www.nvidia.com/drivers) or the ASUS support website (www.asus.com/support) to download the latest graphics drivers for your RTX 3080.
- Install Drivers: Run the downloaded driver installer and follow the on-screen prompts. A system restart may be required after installation.

Image: A detailed view of the Axial-tech fan design on the ASUS ROG Strix RTX 3080 OC Edition Graphics Card, showcasing the three cooling fans.
Operating the Graphics Card
Once installed and drivers are updated, your ASUS ROG Strix RTX 3080 OC Edition is ready for use. It is optimized for gaming, content creation, and other graphically intensive applications.
Key Features and Technologies:
- NVIDIA Ampere Streaming Multiprocessors: Provides enhanced performance and power efficiency.
- 2nd Generation RT Cores: Delivers real-time ray tracing for realistic lighting, shadows, and reflections.
- 3rd Generation Tensor Cores: Accelerates AI-powered technologies like NVIDIA DLSS (Deep Learning Super Sampling) for improved frame rates and image quality, supporting up to 8K resolution.
- Axial-tech Fan Design: Features more fan blades and a reversed rotational direction for the center fan to enhance cooling performance.
- 2.9-Slot Design: Expands the cooling surface area for better thermal management.
- GPU Tweak II: ASUS's proprietary software for monitoring, tweaking, and tuning the graphics card. This utility allows for overclocking, fan control, and profile management.
For optimal performance in games and applications, ensure your game settings are configured to utilize the card's capabilities, including enabling Ray Tracing and DLSS where supported.
Maintenance
Regular maintenance helps ensure the longevity and optimal performance of your graphics card.
- Dust Removal: Periodically clean dust from the fans and heatsink using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Driver Updates: Regularly check for and install the latest NVIDIA graphics drivers. These updates often include performance improvements, bug fixes, and new feature support.
- Software Monitoring: Use GPU Tweak II or similar monitoring software to keep an eye on GPU temperature, fan speeds, and clock frequencies to ensure stable operation.
Troubleshooting
If you encounter issues with your graphics card, consider the following common troubleshooting steps:
- No Display Output:
- Ensure the monitor cable is securely connected to both the graphics card and the monitor.
- Verify that all PCIe power cables are correctly plugged into the graphics card.
- Check if the graphics card is fully seated in the PCIe slot.
- Test with a different display cable or monitor if possible.
- Performance Issues (Low FPS, Stuttering):
- Ensure you have the latest graphics drivers installed.
- Check GPU temperatures using monitoring software. Overheating can lead to performance throttling. Ensure adequate case airflow.
- Verify that your power supply unit (PSU) meets the recommended wattage for the RTX 3080.
- Close unnecessary background applications.
- Coil Whine:
- Coil whine is an audible vibration from electrical components, often more noticeable under high load. While generally harmless, it can be reduced by enabling V-Sync or setting a frame rate limit in games to reduce GPU load.
- Ensure your PSU is providing stable power.
- Driver Crashes or Blue Screens:
- Perform a clean installation of the graphics drivers. Use a driver uninstaller utility (like DDU) to remove old drivers before installing new ones.
- Check for system stability issues with other components (RAM, CPU).
Specifications
| Feature | Detail |
|---|---|
| Brand | ASUS |
| Model Number | ROG-STRIX-RTX3080-O12G-GAMING |
| Graphics Coprocessor | NVIDIA GeForce RTX 3080 |
| Graphics Card RAM Size | 12 GB GDDR6X |
| Memory Speed | 19 Gbps |
| GPU Clock Speed | 1.89 GHz |
| Max Screen Resolution | 7680 x 4320 |
| Video Output Interface | HDMI 2.1, DisplayPort 1.4a |
| Item Dimensions (LxWxH) | 12.53 x 5.51 x 2.27 inches |
| Item Weight | 3.9 pounds |
| Cooling | Axial-tech Fan Design, 2.9-Slot |
Warranty and Support
For warranty information and technical support, please refer to the official ASUS support channels.
- ASUS Support Website: www.asus.com/support
- Product Registration: Register your product on the ASUS website to receive updates and support.
- Contact Support: Utilize the contact options provided on the ASUS support website for technical assistance or warranty claims.
Keep your purchase receipt and product serial number readily available when contacting support.





