Im not to sure ont he differance between
EVGA 500W 80PLUS Certified ATX12V/EPS12V Power Supply 100-W1-0500-KR
and
EVGA 600B 80PLUS Bronze Certified ATX12V/EPS12V Active PFC 600W Power Supply 100-B1-0600-KR
becuse im trying to get the best one. so please help me out
EVGA 500W 80PLUS Certified ATX12V/EPS12V Power Supply 100-W1-0500-KR
and
EVGA 600B 80PLUS Bronze Certified ATX12V/EPS12V Active PFC 600W Power Supply 100-B1-0600-KR
becuse im trying to get the best one. so please help me out