Gigabyte P550B Power Supply - Internal - 120 V AC, 230 V AC Input - 3.3 V DC @ 18 A, 5 V DC @ 15 A, 12 V DC @ 43.5 A, 12 V DC @ 300 mA, 5 V DC @ 3 A Output - 550 W - 1 +12V Rails - 1 Fan(s) - 85% Efficiency

Silent fan. Silent hydraulic bearing fan optimizes the noise reduction and the thermal performance. The fan speed is adjusted according to the automatic power detection. The fan provides longer and more stable life time. Superior protection. In order to make sure the entire computer system to operate stably under any conditions, Gibagyte not only added protection designs such as OCP, OTP, OVP, OPP, UVP and SCP, but also ensured the stable operation of your system through the safety certification of various countries. Energy efficient - designed to use less energy than alternative products, potentially helping you save money and reduce your carbon footprint.