What PSU Do You Need for RTX 5070, 5080, and 5090 in 2026?
Complete PSU wattage guide for all NVIDIA RTX 5000 GPUs. Find the right power supply for RTX 5060, 5070, 5080, and 5090 builds.
PSU Guide for NVIDIA RTX 5000 Series GPUs
Choosing the right PSU for your new RTX 5000 GPU is important. Too little wattage causes crashes and shutdowns. Too much wastes money. This guide gives you the exact PSU you need for every RTX 50-series GPU.
Quick Reference: PSU Wattage per GPU
| GPU | TDP | Minimum PSU | Recommended PSU | With OC/High-End CPU |
| RTX 5060 | 145W | 500W | 550W | 650W |
| RTX 5060 Ti | 180W | 550W | 650W | 700W |
| RTX 5070 | 250W | 650W | 750W | 850W |
| RTX 5070 Ti | 300W | 750W | 850W | 850W |
| RTX 5080 | 360W | 750W | 850W | 1000W |
| RTX 5090 | 575W | 1000W | 1200W | 1200W |
Why These Numbers?
Your PSU doesn't just power the GPU. A full system draws:
- CPU: 65-250W depending on model
- RAM, SSD, fans: 30-50W
- GPU: the TDP listed above
- Power spikes: GPUs can draw 150-200% of TDP for milliseconds
The 12V-2x6 Connector
All RTX 5000 GPUs use the 12V-2x6 power connector (updated version of 12VHPWR). This connector can deliver up to 600W through a single cable.
Your options:
- ATX 3.1 / PCIe 5.1 PSU — Best choice. Comes with native 12V-2x6 cable. No adapter needed.
- ATX 3.0 / PCIe 5.0 PSU — Works fine with the included adapter cable.
- Older PSU — You'll need a 12V-2x6 adapter. Make sure connections are secure to avoid overheating.
PSU Recommendations by GPU
RTX 5060 / 5060 Ti: 550-650W
These are efficient GPUs. A quality 550W unit works for the 5060, and 650W covers the 5060 Ti with headroom.Suggested: Corsair RM650e, be quiet! Pure Power 12 M 650W
RTX 5070: 750W
The RTX 5070 draws 250W with spikes to ~350W. A 750W PSU gives you comfortable headroom.Suggested: Corsair RM750x (ATX 3.1), Seasonic Focus GX-750
RTX 5070 Ti: 850W
With 300W TDP and spikes to 356W+, you need a bit more headroom than the 5070.Suggested: Corsair RM850x (ATX 3.1), be quiet! Dark Power 13 850W
RTX 5080: 850-1000W
The 5080 draws 360W under load. With a high-end CPU like the 9800X3D, 850W is enough. With a Core Ultra 9 285K (250W TDP), go 1000W.Suggested: Corsair HX1000i, Seasonic Prime TX-1000
RTX 5090: 1200W
The 5090 is a power monster at 575W TDP. Don't cheap out on the PSU.Suggested: Corsair HX1500i, be quiet! Dark Power Pro 13 1300W
Common Mistakes
- Don't reuse old 6+2 pin adapters — Use the cable that comes with your GPU or PSU
- 80+ Bronze is fine for budget builds — but Gold/Platinum saves electricity long-term
- Don't buy no-name PSUs — A cheap PSU can fry your entire system
- Modular is worth it — Easier cable management and better airflow
How to Calculate Your Exact Need
Use our PSU Calculator to input your exact CPU, GPU, and components for a personalized recommendation.