This is a pre-owned HP 180W power supply unit, model number PA-1181-6HV, perfect for replacing a failed power unit in compatible HP desktop systems. This unit is in good working condition and has been tested to ensure reliability. It features 80 Plus Bronze efficiency certification to keep your system running cooler and more efficiently. Specifications: Model: PA-1181-6HV, HP Part No: 901763-001, Output Power: 180W max, Efficiency: 80 Plus Bronze. If you have been searching for the heartbeat to bring your computer back to life, this power supply is ready to energize your machine once again. Please note that if this advertisement is still live, the product is available, so come and snatch it up before someone else does!