Best PSU for AMD Ryzen 9 5950X and NVIDIA GeForce RTX 4080 SUPER
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NVIDIA GeForce RTX 4080 SUPER
Configuration Analysis
System Performance Assessment
Your AMD Ryzen 9 5950X and NVIDIA GeForce RTX 4080 SUPER combination delivers exceptional performance for demanding workloads. This enthusiast-grade system can handle 4K gaming at high framerates, intensive content creation, and professional workloads simultaneously.
Recommended Power Supplies
Cooler Master MWE Gold 750 V2 Full Modular PSU, 750W, 80+ Gold, Designed Ready Nvidia RTX 5070 Ti | AMD RX 9070 XT, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless, 5-Year
CORSAIR CX750M 80 Plus Bronze Semi-Modular Low-Noise ATX 750 Watt Power Supply – NA – Black
Excellent efficiency rating, ideal for extended use with this AMD Ryzen 9 5950X and NVIDIA GeForce RTX 4080 SUPER configuration.
Rosewill VSB 750W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2×6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan – 5 Year Warranty
Reliable power delivery with sufficient capacity for your AMD Ryzen 9 5950X and NVIDIA GeForce RTX 4080 SUPER combination.
Comparison Table
| Model | Wattage | Efficiency | Form Factor | Modularity | Price | Best For |
|---|---|---|---|---|---|---|
| Cooler Master MWE Gold 750 V2 Full Modular PSU, 750W, 80+ Gold, Designed Ready Nvidia RTX 5070 Ti | AMD RX 9070 XT, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless, 5-Year | 750W | 80+ Gold | ATX | Full-Modular | $69.99 | Overall Value |
| CORSAIR CX750M 80 Plus Bronze Semi-Modular Low-Noise ATX 750 Watt Power Supply – NA – Black | 750W | 80+ Gold | ATX | Non-Modular | $79.99 | Energy Efficiency |
| Rosewill VSB 750W 80+ Bronze, ATX 3.0 & 3.1 Compatible, Semi-Modular Power Supply, PCIe 5.1 12V-2×6 Connector, 105°C/221°F Japanese Capacitor, 120mm ICB Silent Fan – 5 Year Warranty | 750W | 80+ Bronze | ATX | Semi-Modular | $59.99 | Budget Builds |
Why This Wattage?
Power Calculation
The recommended PSU wattage is calculated based on the total power draw of your CPU (AMD Ryzen 9 5950X) and GPU (NVIDIA GeForce RTX 4080 SUPER), plus approximately 100W for other components like motherboard, memory, and storage devices.
Extra Headroom
We add an additional 30% headroom to ensure optimal efficiency, handle power spikes, and allow for future upgrades. This ensures your system runs stable and your PSU operates in its optimal efficiency range.
Efficiency Standards
We recommend power supplies with 80 Plus certification, which represents higher energy efficiency and more reliable performance. Power supplies are most efficient at 50-60% load, so having adequate headroom is important.
Power Efficiency Tips
Enable Windows/OS power saving features when not gaming to reduce power consumption and heat output.
Consider investing in a high-quality UPS to protect your high-end components from power surges and outages.
Monitor component temperatures and adjust fan curves for optimal balance between cooling performance and noise.
Special Installation Note
Your NVIDIA GeForce RTX 4080 SUPER requires the new 12VHPWR power connector. Ensure your PSU includes this connector or use the appropriate adapter, and make sure it's fully inserted to prevent connection issues.
Usage Scenarios
4K Gaming
Your system can handle 4K gaming at high frame rates with max settings in most modern titles.
Content Creation
Perfect for video editing, 3D rendering, and streaming simultaneously.
Multi-tasking
Run multiple demanding applications simultaneously without performance drops.
Installation Tips
Position Properly
Most cases have a dedicated PSU bay at the bottom. Ensure the PSU fan is facing down if your case has bottom ventilation, allowing it to draw cool air from outside.
Cable Management
With modular PSUs, connect only the cables you need. Route cables behind the motherboard tray when possible for better airflow and cleaner appearance.
Proper Connections
Ensure all power connectors are fully seated and locked. The NVIDIA GeForce RTX 4080 SUPER will require dedicated PCIe power connectors from the PSU.
Test Before Completing
Before fully closing your case, connect the essential components and test that your system boots correctly with the new power supply.
Excellent efficiency rating, ideal for extended use with this AMD Ryzen 9 5950X and NVIDIA GeForce RTX 4080 SUPER configuration.