Amazon.com: FSP Hyper M 85+ 650W 80 PLUS Bronze Certified Semi Modular Active PFC Power Supply (HA650) : Everything Else
EVGA 500W ATX12V / EPS12V 80 Plus Bronze Power Supply Black 100-B1-0500-KR - Best Buy
Amazon.com: ASUS TUF GAMING 650W Bronze PSU, Power Supply(Axial-tech fan design, Dual Ball Fan Bearings, 0dB Technology, 80 PLUS Bronze Certification, 80cm 8-pin CPU Connector, 6-year Warranty)
Analyzing Power Use: 80 Plus Bronze vs. Platinum
PC power supply ratings: 80 Plus Platinum vs Gold vs Bronze vs White | PCWorld
PC power supply ratings: 80 Plus Platinum vs Gold vs Bronze vs White | PCWorld
What is the difference between gold and bronze PSU? Can one be quieter than the other? - Quora