What wattage of a PSU would be adequate?

[mygruesomedays]

My upcoming rig has a 2070 and a Ryzen 5 2600, what PSU should I go with? a 650 or 750w?

 

[clutchc]

Assuming a good quality PSU, a 650W is sufficient. OC'ing both CPU and GPU should still be OK as long as you pick a solid PSU with a strong +12v rail.