AMD's Ryzen 5 3600X isn't much of a power-hungry CPU. It can get by with even more modest capacities. I'd still recommend going with at least 500W for a single GPU configuration, but just be sure not to save too much money on the PSU as it's incredibly important. These picks will work wonders with the Ryzen 5 3600X.
Choosing the right PSU is important
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It's hard not to stress just how important choosing a solid, reliable PSU is. One that's unbranded and comes with a mid-range PC case just isn't going to cut it. It may work fine throughout the lifespan of your PC, but the chances of it going horribly wrong are increased. The same goes for cheap PSUs. Is it better to spend an extra $20 on a better PSU or risk forking out an additional $300 to replace the GPU?
This is why you'll only find us recommending tried and tested PSUs, like the 650W EVGA SuperNOVA P2, which may be a little on the expensive side, but you get a great PSU that will last years and has enough capacity for a single GPU enthusiast build. This PSU also comes with a 7-year warranty.
The E500 from NZXT and Seasonic is a solid choice for those wanting a little more from their PSU, allowing you to check statistics and make sure everything is running within desired parameters. All you need is a free USB 2.0 internal header on your motherboard. A 10-year warranty comes with this PSU.
