Antec True Power ATX 550 Energy Star Certified Power Supply TP-550G TruePower Gold is one of the first series to comply with the toughest energy standard available, ErP Lot 6: 2013 By using a PSU that is 80 PLUS GOLD certified, operating up to 92% efficient, you can reduce your electricity bill by up to 20% when compared to many other power supplies. TP Golds innovative 16-pin sockets create a new level of flexibility by doubling the modular connectivity, supporting two different 8-pins connectors and even future connectors of 10, 12, 14 or 16-pins. Backed by a 5 year warranty and lifetime global 24/7 support, the TP-550G is the guaranteed gold standard for power.