Tom's Hardware Guide published a review on EVGA 450 B3 PSU
A quote from the article:
EVGA's new B3 line succeeds the older B2 family. All units are fully modular and have 80 PLUS Bronze efficiency. The 450 B3 is the lowest-capacity model, and as you'll see, it struggled with our test suite.EVGA 450 B3 PSU Review @ Toms Hardware