Best PSU for Ryzen Threadripper 7960X & RTX 5090
Your system with AMD Ryzen Threadripper 7960X and NVIDIA GeForce RTX 5090 provides reliable performance for general computing tasks. This entry-level configuration is suitable for office applications, web browsing, and light gaming at 1080p.
1500W
1050W
70%
Entry-level
🏆 Recommended Power Supplies
Hand-picked for your 1500W target — sorted by overall value.
be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518
Excellent efficiency rating, ideal for extended use with this AMD Ryzen Threadripper 7960X and NVIDIA GeForce RTX 5090 configuration.
Efficiency80+ Gold
FormATX
CablesNon-Modular
Price$260.91
CORSAIR HX1500i (2025) Fully Modular Ultra-Low Noise ATX Power Supply with 12V-2×6 Cable u2013 ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, Fluid Dynamic Bearing Fan u2013 Black
Excellent efficiency rating, ideal for extended use with this AMD Ryzen Threadripper 7960X and NVIDIA GeForce RTX 5090 configuration.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$341.35
CORSAIR HX1500i Shift Fully Modular ATX Power Supply u2013 Built-in iCUE Link System Hub, Dual Native 12V-2×6 Cable, ATX 3.1 & PCIe 5.1, Side-Mounted Connectors, Cybenetics Platinum u2013 Black
Excellent efficiency rating, ideal for extended use with this AMD Ryzen Threadripper 7960X and NVIDIA GeForce RTX 5090 configuration.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$449.99
ASRock PG 1600G ATX 3.1 1600W Power Supply PCle5.1 10 Years Warranty Fully Modular Japanese Capacitor Phantom Gaming PG-1600G 80 Plus Gold Cybenetics Platinum 12V-2×6 Cables
Want extra headroom for future GPU upgrades or overclocking? This 1600W unit gives you peace of mind.
Efficiency80+ Gold
FormATX
CablesFull-Modular
Price$199.99
Amazon.com prices as of 03/23/2026 08:05 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 | be quiet! Straight Power 12-1500w Modular Power Supply | 80 Plus Platinum ATX 3.1 Compliant | for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | Silent 135mm Fan | BN518 | 1500W | 80+ Gold | Non-Modular | $254.99 |
| 2 | CORSAIR HX1500i (2025) Fully Modular Ultra-Low Noise ATX Power Supply with 12V-2×6 Cable u2013 ATX 3.1 & PCIe 5.1 Compliant, Cybenetics Platinum Efficiency, Fluid Dynamic Bearing Fan u2013 Black | 1500W | 80+ Gold | Full-Modular | $349.99 |
| 3 | CORSAIR HX1500i Shift Fully Modular ATX Power Supply u2013 Built-in iCUE Link System Hub, Dual Native 12V-2×6 Cable, ATX 3.1 & PCIe 5.1, Side-Mounted Connectors, Cybenetics Platinum u2013 Black | 1500W | 80+ Gold | Full-Modular | $449.99 |
| ⬆️ | ASRock PG 1600G ATX 3.1 1600W Power Supply PCle5.1 10 Years Warranty Fully Modular Japanese Capacitor Phantom Gaming PG-1600G 80 Plus Gold Cybenetics Platinum 12V-2×6 Cables Upgrade | 1600W | 80+ Gold | Full-Modular | $199.99 |
🔌 Power Budget
Your system uses 70% of the recommended PSU output — well within the efficient operating range.
1500W (Recommended)
System draw: 1050W
Headroom: 450W (30%)
💡 Why 1500W?
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 Windows/OS power saving features when not gaming to reduce power consumption and heat output.
Close background applications when gaming to free up system resources and reduce power consumption.
Schedule regular dust cleaning to maintain efficient cooling and lower power requirements.
🎯 What This Build Can Do
Gaming
Suitable for modern games with good performance based on your system configuration.
Productivity
Great for office work, multitasking, and everyday computing tasks.
Content Creation
Can handle basic video editing and content creation workflows.
🔧 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 5090 — no daisy-chaining.
- Boot-test with side panel open before final assembly.
⚠️ Special Note
For your high-wattage PSU, ensure your case has good bottom ventilation. Some 1000W+ PSUs are longer than standard units, so verify case compatibility before purchasing.
🔗 Explore More Builds
See PSU recommendations for other CPU + GPU combinations.