The adapter and dock and power supply arrangement.Īpple no longer sells this adapter, which retailed for $100, or its much cheaper standard DVI to Mini DisplayPort adapter. He relied on Apple’s existing dual-link DVI adapter that connected monitors with those video outputs, to a Mini DisplayPort connector for earlier Macs, which is compatible with Macs that rely on DisplayPort video over Mini DisplayPort-only Macs as well as those that pass DisplayPort video over Thunderbolt and Thunderbolt 2.