Antec's EarthWatts Platinum is one of the most efficient PSU series ever created. With an 80 PLUS Platinum rating, the high 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 computer's power consumption by 25%. Get the power you need, save money and help protect the environment with Antec's EA-650 Platinum! Antec EarthWatts EA-650 Platinum ATX12V EPS12V Power Supply is one of many Internal PC Power Supplies available through Office Depot. Made by Antec.