The Dell Optiplex 990 can handle work loads just as well as it can handle games, movies and music. This refurbished desktop PC is built for everyday needs and has a fast quad core processor for optimal efficiency. The PC also comes with generous storage space to keep documents and files safely stowed away. And not only does this Dell refurbished desktop computer have 10 USB ports, it has several other ports, too, including VGA and DisplayPort, to keep up with whatever your day demands.