I'm trying to figure out if a 450W power supply is enough for my PC. Here are my specs: I have a 3070 graphics card, a Xeon E5 2660v3 processor, 16GB DDR4 RAM, and a 512GB M.2 NVMe SSD. Based on this setup, do you think 450W will be adequate?
5 Answers
If your power supply is a good quality one and can provide the full 450W on the 12V rail, it should be fine. Worst case, if it can’t handle it, it’ll shut down safely due to protection features. But I'd definitely avoid cheap brands for this.
I’d recommend going for a 600W power supply just to be on the safe side. Better to have a bit more power than to risk crashing!
Yeah, technically a 450W power supply can work. The Xeon E5 2660v3 pulls about 100W, and the 3070 can draw around 250W, with the rest of your components using about 80W. So it's a close call, but it should be okay if you're not pushing the system too hard.
Honestly, 450W is probably pushing it, especially with the 3070 in play. A high-quality 550W could barely cut it, but ideally, you should aim for a solid 650W minimum.
You might want to check out PC Part Picker. It’s a handy tool that tells you the wattage requirements for your build.
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