The Dell OptiPlex Micro All in One Mount has been specifically designed and tested for use with Dell E-series Displays and to mount your OptiPlex Micro PC to the back of these monitors. By mounting your OptiPlex computer behind a flat-panel monitor, you can free up desk space, reduce clutter and keep your OptiPlex system out of view. Product Type: Desktop to monitor mounting kit Features: Back of a monitor mountable Designed For: OptiPlex 3040 (micro), 7040 (micro) Product Type: Desktop to monitor mounting kit Features: Back of a monitor mountable Designed For: Dell OptiPlex 3040 (micro), 7040 (micro)