Cooler Master Silent Pro M2 620W Is it good?

moopsies

Honorable
May 12, 2013
27
0
10,530

Unfortunately not. In order to get some discount, I only have like 14 to pick from where most of them are 750 or 500 w. Would a Silver Power SP-S650, a Silver Power SP, or a XFX ProSeries Core Edition 550W be better? (I'm using i5 3570k)
 

moopsies

Honorable
May 12, 2013
27
0
10,530
XFX Radeon HD 7970 3gb, denmark and no tight budget.