how do i connect an apple cinema 30" to my iMac 5k 27"

Mini DisplayPort to Dual-Link DVI Adapter

Mini DisplayPort to Dual-Link DVI Adapter

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2 Answers from the Community

  • Hook up your Minidisplay port through Thunderbolt on your iMac, and also connect USB to your iMac. DVI to your 30”.

  • Get a USB-C to Mini DisplayPort (female) adapter. Then you can connect the Apple Mini DisplayPort to Dual Link DVI Adapter.

    An alternative is a USB-C to DisplayPort (female) adapter with a DisplayPort to Dual Link DVI Adapter.

    Thunderbolt 3 devices, Thunderbolt docks, and USB-C docks may have one or more DisplayPort outputs which you could also use. A Thunderbolt 3 to Dual DisplayPort adapter is the simplest device with two DisplayPorts.