I'm planning to upgrade my graphics card from an RX 6600 XT to an RTX 5070 since I've found it for 50 bucks less than the MSRP in my country. I'm curious if my current 650W PSU can handle this new card. According to PcPartPicker, my build's estimated wattage is around 505W. I've heard various opinions about how much headroom a PSU should have for power spikes, ranging from 20% to 40%. Here's my build for reference: [https://pcpartpicker.com/list/jmm24p](https://pcpartpicker.com/list/jmm24p).
4 Answers
Absolutely! The RTX 5070 has a decent power spike at around 300W, but your 650W will handle it just fine. Just make sure you have the right connectors for it.
You might want to consider a 750W PSU if you plan on overclocking or adding more components later, but 650W should work without issues right now.
Yes, 650W is more than enough. It's actually the minimum recommended for the 5070, so you’re in a safe zone!
Yeah, a 650W PSU should be perfectly fine for your RTX 5070! The card doesn't draw too much power, even with spikes, so you should be good to go.
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