With a robust chassis that has undergone intense testing, the OptiPlex 990 is designed for ultimate durability and reliability. Dell OptiPlex desktops are engineered to respect our planet and offer services that help minimise energy consumption and use recycled plastics where possible. All our refurbished desktops are ready to go out of the box and include Windows OS, Open Office, Microsoft security essentials VLC player and more!  All refurbished to the highest standards and with 1 year warranty. Great support and service.