rtx 3080 psu requirements - rtx 3050ti
$800.00
To the OP, a 650W PSU will be fine for RTX 3080 + R5 3600, assuming you don't have a huge HDD stack or a thousand fans, or go balls to the wall on overclocking. evga rtx 3080 Nvidia's claim of 750W is assuming an Intel 10900K and is a very safe guess. rtx 3080 gaming oc I'm talking about WHOLE rig with 3080 and a processor