For alternatives, always consult the
PSU Tier List and I’d recommend getting a 550W+ Tier C, B, or A model. The
Apevia Prestige 600W is usually available at a similar price. If you can’t find the
A550BN, then the
A650BN is usually available for only a few dollars more. MSI also makes the
MAG A650BE which is a semi modular unit and also Tier C.