Here’s a table detailing the best suitable PSU wattage for various GPUs based on their power consumption and system requirements:
| GPU Model | Typical GPU Power Draw (Watts) | Recommended PSU Wattage | Suitable PSU Examples | Notes |
|---|---|---|---|---|
| Entry-Level GPUs | ||||
| NVIDIA GTX 1650 | 75 | 300-350W | Corsair CV350, EVGA 450 BR | No external power connector required. |
| AMD Radeon RX 6400 | 53 | 300-350W | Cooler Master MWE 400, Seasonic S12III 450 | Compact builds and basic gaming setups. |
| Mid-Range GPUs | ||||
| NVIDIA RTX 3060 | 170 | 500-550W | Corsair CX550M, EVGA SuperNOVA GA 550 | Ensure sufficient wattage for paired components. |
| AMD Radeon RX 6600 XT | 160 | 500-550W | Seasonic Focus GX-550, Thermaltake Smart BX1 550W | Efficient PSU recommended for optimal performance. |
| High-End GPUs | ||||
| NVIDIA RTX 3070 | 220 | 650-700W | Corsair RM750x, Seasonic Focus GX-750 | Recommended for 1080p and 1440p high-performance gaming. |
| AMD Radeon RX 6800 | 250 | 650-750W | EVGA SuperNOVA G5 750, Cooler Master V750 Gold | Ensure PSU has PCIe power connectors (8-pin and 6-pin). |
| NVIDIA RTX 3080 | 320 | 750-850W | Corsair HX850, ASUS ROG Thor 850W Platinum | Requires two or three PCIe power connectors. |
| Enthusiast-Level GPUs | ||||
| AMD Radeon RX 7900 XTX | 355 | 850-1000W | Seasonic Prime TX-1000, Corsair RM1000x | Ideal for 4K gaming and content creation setups. |
| NVIDIA RTX 4090 | 450 | 1000-1200W | ASUS ROG Thor 1200W, EVGA SuperNOVA 1300 GT | Requires at least three 8-pin connectors or a 16-pin PCIe 5.0 cable. |
| Workstation GPUs | ||||
| NVIDIA Quadro RTX 5000 | 230 | 650-750W | Corsair RM750e, Seasonic Focus Plus 750W | Reliable PSUs are crucial for professional workloads. |
| AMD Radeon Pro W6800 | 250 | 750-850W | Be Quiet! Straight Power 11 Platinum 850W | Workstation GPUs often have additional power demands for memory and VRAM. |
| Multi-GPU Configurations | Varies by GPUs | Add 300-500W per GPU | 1200W+ PSU recommended | Consider Corsair AX1600i for stability. |
Tips for Choosing the Right PSU:
- Efficiency Rating:
Opt for at least 80 Plus Bronze certification for energy efficiency. Gold or Platinum PSUs are ideal for high-end builds. - Wattage Headroom:
- Ensure the PSU can handle peak loads with a margin of 20-30%.
- Consider system components like CPU, storage, and cooling when calculating total power needs.
- Connectors:
- Check the GPU power requirements for 6-pin, 8-pin, or 16-pin PCIe connectors.
- Modern GPUs often require multiple power cables.
- Future-Proofing:
If you plan to upgrade your GPU or add components, choose a PSU with higher wattage and modular cables.
Would you like help selecting a PSU for a specific build?