SilverStone Technologies ST55F-PB 550 watt ATx Power Supply — 80 Plus Bronze, 100 Percent Modular Cable Design, Black

The SilverStone ST55F-PB is a 550 watt ATx power supply built for efficient, dependable desktop use. It carries 80 PLUS Bronze certification and is engineered to provide continuous 24/7 power output with 40 operating temperature. Power is delivered via a class-leading single +12V rail with strict 3% voltage regulation, keeping ripple and noise to a minimum. All cables are 100% modular and supplied as flexible flat arrays for clean cable management. Cooling is handled by a silent running 120mm fan rated at 18dBA. Supports PCIe 8/6pin connectors.