Antec's TruePower Classic series sets new standards for power supplies. TruePower Classic 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. 2 High Current Rails and a 98% 12V output ratio maximize TP-550Cs capabilities to power the latest CPU's & GPU's. CircuitShield makes the TP-550C safe and reliable in any environment with its eight industrial-grade protections. Backed by a 5 year warranty and lifetime global 24/7 support, the TP-550C is the guaranteed gold standard for power.