The Antec TP-II 480Blue EC Version Power Supply is designed to meet the demands of your most ambitious PC hardware configurations. The TruePower 2.0 series is poised to set the new standard for performance power supplies. The unit features a single 120-millimeter low noise fan and dual, 12-volt outputs for stability and safety. And with a True Spec noise level of 21.3 dBA, you can be assured of quiet operation. There's an ATX12V 2.01 compliant, 24-pin main power connector with detachable 4-pin section for universal motherboard compatibility, as well as four Serial ATA connectors, PCI Express graphic card power connectors, and a dedicated output for more stability and less ripple noise. Meanwhile, feedback circuits offer tighter load regulation to maintain accurate voltage to all components. Industrial-grade protection circuitry prevents damage resulting from short circuits, power overloads, excessive current, excessive voltage and excessive temperatures.