The Dell Optiplex 583XT Desktop PCI PCIe Riser Board Card with bracket / 0583XT is a component that allows you to expand the functionality of your computer by adding more PCI or PCIe slots. Manufactured by Dell, a trusted brand in the industry, this riser board card is designed to fit seamlessly into your system and provide additional connectivity options. With the included bracket, installation is simple and straightforward, making it a practical choice for enhancing your desktop setup.