Best PSU for Ryzen 5 5600X & RTX 3080 Ti
This build delivers exceptional 1440p high refresh rate gaming and strong 4K performance. It handles demanding titles and productivity tasks with ease.
750W
515W
69%
High-end
🏆 Recommended Power Supplies
Hand-picked for your 750W target — sorted by overall value.
MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty
This 750W Gold PSU is excellent, offering ATX 3.1, PCIe 5.1, native 12V-2×6, and a 10-year warranty.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$86.99
CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready Fully Modular 750W Power Supply – 12V-2×6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black
This 750W Gold PSU is a strong choice, featuring ATX 3.1, PCIe 5.1, native 12V-2×6, and quality components.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$89.99
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
This 750W Bronze semi-modular PSU is sufficient, providing ATX 3.1 and a 12V-2×6 connector, but less efficient.
Efficiency80+ Bronze
FormATX
CablesSemi-Modular
Price$63.72
MSI MAG A850GL PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty
Want extra headroom for future GPU upgrades or overclocking? This 850W unit gives you peace of mind.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$107.99
Amazon.com prices as of 05/25/2026 18:12 GMT+0000 —
Details
Product prices and availability are accurate as of the date/time indicated and are subject to change.
Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
As an Amazon Associate, we earn from qualifying purchases.
📊 Quick Comparison
See the key differences at a glance.
| # | Model | Wattage | Efficiency | Modular | Price |
|---|---|---|---|---|---|
| 1 | MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty | 750W | 80+ Gold | Full-Modular | $89.99 |
| 2 | CORSAIR RM750e ATX 3.1 PCIe 5.1 Ready Fully Modular 750W Power Supply – 12V-2×6 Cable Included, Cybenetics Gold Efficiency, 105°C-Rated Capacitors, Modern Standby Mode – Black | 750W | 80+ Gold | Full-Modular | $85.99 |
| 3 | 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 | Semi-Modular | $51.00 |
| ⬆️ | MSI MAG A850GL PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty Upgrade | 850W | 80+ Gold | Full-Modular | $109.99 |
🔌 Power Budget
Your system uses 69% of the recommended PSU output — well within the efficient operating range.
750W (Recommended)
System draw: 515W
Headroom: 235W (30%)
💡 Why 750W?
Power Calculation
CPU + GPU draw, plus ~100W for motherboard, RAM, fans, and storage.
30% Headroom
Extra capacity absorbs transient power spikes, keeps efficiency in the sweet spot, and leaves room for future upgrades.
80 Plus Efficiency
We only recommend certified PSUs. Higher ratings mean less wasted energy, lower heat, and quieter fans.
🌿 Power Efficiency Tips
Enable AMD Smart Access Memory for performance gains.
Optimize in-game settings to balance visuals and efficiency.
Utilize GPU power limits for cooler, quieter operation.
🎯 What This Build Can Do
High-End Gaming
Experience 4K gaming with max settings and high frame rates on demanding titles.
Content Creation
Smooth 4K video editing, 3D rendering, and graphic design with fast exports.
Data Analysis
Run complex simulations, machine learning models, and large datasets efficiently.
🔧 Installation Guide
Quick Checklist
- Mount the PSU with its fan aligned to your case airflow.
- Only connect cables you actually need (modular PSUs).
- Use dedicated PCIe power cables for NVIDIA GeForce RTX 3080 Ti — no daisy-chaining.
- Boot-test with side panel open before final assembly.
⚠️ Special Note
Ensure all modular cables are fully seated into both the PSU and components.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.