PSU Wattage + Tier Calculator

Exact wattage + tier-A PSU model that safely powers your current build and future upgrades. If you have ever fried your PC, you know how important this is... If you are new to PC's or PC gaming, we highly recommend you use this tool!

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• Essential for those who PC game and use high power draw machines.
• Of course good for anyone else looking to protect their valuable PC

This tool is absolutely full of inputs and input options. We took extra care to ensure we include as many options as possible to apply to as many scenarios as possible. Plus, this tool is a potentially high value tool that can save people from losing their precious PC, so we took extra care in building it and testing it. Primary limitations include the tool not accommodating user hardware models. Also want to note that this tool uses publicly available data. There is no way for us to know how you have configured your PC, nor will it be possible to include those odd inputs into our tool. We are not responsible for any users who take this tools recommendations and result in PC failures or the like.

Here is a sample output, see details for the user selections.

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PSU Recommendations for RTX 4090 & Ryzen 9 7900X/7950X

1. Total System Power Draw

• Estimated Total Draw: 600W (considering peaks)

2. Wattage Recommendations

1. Minimum Safe Wattage:
   • 720W (600W + 20% headroom)
2. Ideal Wattage:
   • 840W - 960W (600W + 30-40% headroom)

3. Best PSU Model

• Model: Corsair RM850x
• Wattage: 850W
• 80+ Rating: Gold
• Tier: A
• Modular Type: Fully Modular
• Current Price: Approximately $139.99

4. Strong Runner-Ups

1. Model: Seasonic Focus GX-850
   • Wattage: 850W
   • 80+ Rating: Gold
   • Tier: A
   • Modular Type: Fully Modular
   • Current Price: Approximately $129.99
2. Model: EVGA SuperNOVA 850 G5
   • Wattage: 850W
   • 80+ Rating: Gold
   • Tier: A
   • Modular Type: Fully Modular
   • Current Price: Approximately $129.99

Conclusion

With the RTX 4090 and Ryzen 9 7900X/7950X, ensure your PSU choice comfortably exceeds your power requirements to maintain stability and efficiency. The recommended models provide reliability and adequate headroom for your setup.

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Made by The Tool Collective team. We are a group of tech gearheads and avid gamers who know the importance of having a PSU, some have even had personal experience with their PC nearly catching fire. So, we set out to make this tool and put extra time and care into building it. We truly believe this tool will become a staple among PC enthusiasts like ourselves and we hope to save many people a lot of money in the future by using this tool.

Made with The Tool Collectives signature model. We layout all factors required to make the best possible decision for this particular question and construct the inputs and choices accordingly. We then build a custom system prompt that incorporates logic if needed and clear output criteria. We then use an AI engine to power the tool, resulting in expert human crafted responses, designed by real enthusiasts.

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