DELL Paralle/2nd Serial Port Internal Parallel,Serial interface cards/adapter

Paralle/2nd Serial Port Adapter Full Height for OptiPlex 990 MT The Paralle/2nd Serial Port Adapter Card from Dell™ adds functionality to your system. This full height form factor port adapter is meant for use with Dell OptiPlex Systems. This product has been tested and validated on Dell systems to ensure it will work with your computer. It is supported by Dell Technical Support when used with a Dell system.