Question What Power supply ?

[AlbanCbn]

I must take what low cost psu for :
Intel Core i7-2700k,
AMD HD 7450,
2*8GB Ram DDR3,
SSD 500GB
I want can upgrade (like put an GTX 1050 Ti

 

[stuff and nonesense]

Look for something like a Corsair 650W or equivalent for that build.

If you want to upgrade to more power hungry equipment a good brand name 850W. That is overkill for your described build though.

Don’t cheap out on the PSU, a bad one failing can destroy the rest of your hardware and data.