The Replace Power power supply ATX12V Power Supply is an ultra-affordable PSU, delivering uncompromised, robust output in quiet operation. Replace your HP Pavilion 5188-2625 5188-2627 5188-2626 5187-5008 with this 480 watt PSU. It boasts one fan for efficient and silent cooling. Over voltage protection, over power protection and short circuit protection confidently safeguard your components. 420W Maximum Power to run all your components. EXCEPTIONAL RELIABILITY with Over Voltage protection, Over Power protection and Short Circuit protection delivers maximum safety to your components. 100% Hi-pot & function (Chroma) test and 100% & Burn-in test under high ambient temperature (50°C) ensure exceptional strength and durability for trouble-free use even in harsh environments.