Antecrsquos earthwatts platinum is one of the most efficient psu series ever created with an 80 plus platinum rating the highest efficiency mark for power supplies this psu achieves up to 93 efficiency and gives you savings unheard of from other power supplies by using the ea 650 platinum you can reduce your electricity bill up to 25 a 3 year antec quality warranty a whisper quiet 120mm dbb fan controlled by antecrsquos renowned thermal manager and circuitshieldtradersquos indus