MasterWatt

its 550w or 650w 80+ bronze rated (it also kas a 750w) my choices are the corsair cx, seasoni M12II-520 EVO/non evo or s12II same watts im plannig buy the psu along with a new rx 570 so im not sure i need more than 500 watts im have a skylake i5 non K cpu

I know the AMD Ryzen chips are all the rage, lately, but it seems to me that if there's no igpu with Ryzen, then I need to simultaneously purchase a graphics card - which I think I probably don't need. If I get an Intel motherboard and cpu, I could add a discrete GPU later, much later, or...