I'm in the process of upgrading my PC. I've already swapped out the RAM from 16 GB (2x8) to 32 GB (2x16), and now I want to upgrade my GPU to an RX 7700 XT, which I found at a great price compared to similar models. I'm also planning to replace my CPU with an i5 13400F. My main concern is whether my current 600W power supply will be enough to support all these upgrades, at least for the time being until I can get a better PSU. Here are my current specs: i3-12100F CPU, Gigabyte B660M DS3H motherboard, and an RTX 3050 8 GB GPU, along with 32 GB of DDR4 3600 MHz RAM from DeepCool DA600M.
2 Answers
The RX 7700 XT should be fine with a 600W power supply. You’ve got a good safety margin there, so no immediate need to upgrade unless you plan on adding more high-powered components later.
I did some quick calculations and estimated that your setup will draw around 400W at full load. That means your 600W PSU has plenty of overhead, so it should work well for your current upgrades.

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