This adapter will allow you to use Standard DVI-D cables with the Mini-DVI port found on some laptop computers. For connecting DVI-D digital monitors. This is equivalent to the Mini-DVI to DVI adapter designed for the iMac (Intel Core Duo), MacBook, and 12-inch PowerBook G4 -- allowing you to connect to an external DVI monitor. It can also be used in combination with the Apple DVI to ADC adapter to support older Apple flat panel Studio or Cinema Displays.