Specification Key Features Continuous Power 550 Watts Efficiency (Approx.) 80 PLUS Efficiency Certification Bronze Fan Size 120mm Input Voltage 12V Output Modular Type Semi Total Power 550 Watts Connector CPU 1 PCI-E 2 SATA 6 Warranty Information Manufacturing Warranty 5 Year Corsair CX-M Series CX550M 550W 80 PLUS Bronze Semi-Modular ATX Power Supply The Corsair CX-M Series CX550M 550W 80 PLUS Bronze Semi-Modular ATX Power Supply keeps your components powered up. This 550W ATX power supply includes a single +12V rail with a form factor of ATX12V v2.4 or EPS 2.92. In addition to a motherboard and CPU connector, the CX550semi-modular M's connection architecture offers two PCIe, six SATA III, three 4-pin peripheral connections, and a single floppy connector. A thermally controlled 120mm cooling fan ensures silent operation at low or medium loads. It has 80 PLUS Bronze Certification. High-efficiency operation results in less waste heat and cheaper running expenses. This power supply features a Thermally Controlled Fan and operates quietly at low and medium loads. Semi-Modular Architecture, Make your builds and upgrades a breeze, with clean, professional results. The Corsair CX-M Series CX550M 80 PLUS Bronze Power Supply comes with a 05-year warranty. ..