Here are a couple of power supply calculators. There are lots out there but these should give you a decent idea of the power you need.
https://www.coolermaster.com/power-supply-calculator/
That 650w should be fine.
Here are a couple of power supply calculators. There are lots out there but these should give you a decent idea of the power you need.
https://www.coolermaster.com/power-supply-calculator/
That 650w should be fine.