This APEVIA Venus VS450W Black 450 Watts ATX12V Personal Computer Power Supply 450W is a reliable and high-quality power module that is compatible with a wide range of computer brands and models. It features a 20+4 pin connector, surge energy capacity of 125 J, and AVR (Automatic Voltage Regulation) for added protection.The unit comes with a single fan for cooling and has a maximum wattage of 450W. It is a non-modular unit and is designed to work with a voltage compatibility of 12V. This power supply unit is manufactured in China and comes with a 1-month manufacturer warranty.