Product Overview The CX550 power supply provides modern power supply technologies & 80 PLUS Bronze efficiency at a competitive price point. The CX550 offers many upgrades from traditional designs. It is black with black cable sleeving & black connectors, offers a large diameter, thermally controlled 120mm fan, & is nearly silent when running at idle. The LLC resonant topology with DC to DC ensures best in class voltage regulation, enhanced efficiency at lower loads & complete compatibility with all modern day PCs. Features • 80 Plus Bronze: Runs cooler & uses less power than less efficient power supplies. • 5-year warranty: Backed by Corsair¡¦s legendary technical support & customer service. • Black housing, cable sleeving & connectors: Give your build the high-end look without breaking the bank. • Thermally controlled 120mm fan: Quiet operation across a wide range of loads. • LLC resonant topology with DC to DC: Ensures enhanced efficiency at lower loads & compatibility with all modern day chipsets & CPUs. Specifications Size ATX Edition CX550 Wattage 550 W 80 PLUS Certification 80 PLUS Bronze Max. Efficiency 85 % Cooling Fan Fans 1 x 120mm Internal +12V Rails Single (1) Rail Rail 1 +12V 45.8 A Rail 2 +12V N/A Rail 3 +12V N/A Rail 4 +12V N/A Rail 5 +12V N/A Rail 6 +12V N/A Max. Combined Output +12V 45.8 A Modular No Modularity Fully Wired SLI/ Cross Fire No EPS 12V Yes Motherboard Connector 20+4-pin Connectors 1 x 4+4-pin CPU +12V (EPS) 1 x 4-pin Molex 2 x 6-pin PCIe 1 x FDD Power 2 x SATA Dimensions 150 x 86 x 140 (Wx Hx D) Package Type Retail