This refurbished Power Supply is specially designed for the DELL Optiplex 390, 790 and 990 DT models. With a power of 250W, this power supply provides enough power for reliable operation of your desktop. This refurbished Power Supply has been thoroughly tested and overhauled to ensure that it meets strict quality standards. This means you can rely on the reliability and performance of this product with peace of mind. By choosing a refurbished power supply, you also contribute to a more sustainable way of consuming through the reuse of electronic equipment. With this Power Supply you can ensure that your DELL Optiplex desktop works optimally again. Whether you're looking to upgrade or simply looking for a replacement part, this refurbished power supply offers the perfect solution. The high quality and reliability ensure that your desktop continues to function smoothly. The D250AD-00 Power Supply is compatible with various DELL Optiplex models and is easy to install. Thanks to the power of 250W, you are assured of a stable and consistent power supply to your system. This ensures smooth operation and prevents problems caused by poor power supply. In short, this refurbished Power Supply is the ideal choice for owners of DELL Optiplex 390, 790 and 990 DT desktops who are looking for a reliable and durable solution. With the guarantee of quality and performance, this product is a smart investment for a better working computer. Use this high-quality refurbished power supply today and enjoy an improved desktop experience.