M12 ii evo 850w 80 bronze certified psu japcaps fully modr bbfan t2559 seasonic electronics launches the m12ii bronze series the new and upgraded version of the m12ii series in response to the growing demand and anticipation for more energy efficient products the m12ii bronze series inherits the same output and wattage options as well as the superb quality and ultimate silence from the m12ii series the m12ii bronze series available in 520w and 620w offers buyers with a mid range power