Dell OptiPlex 990 (2011)
Dell OptiPlex 990 USFF (2011)
Dell OptiPlex 990 SFF (March 2012)
Dell OptiPlex 990 SFF (Mi 2012)
Dell OptiPlex 990 (Early 2011)
Dell OptiPlex 990 SFF (2011)
Dell OptiPlex 990 SFF (2012)
Dell OptiPlex 990 (July 2015)
Dell OptiPlex 990 DT (2011)