A vintage Apple 30-inch Cinema Display can be used as your second or main display on your modern Mac. Here’s how to hook it up.
When Apple added USB-C and Thunderbolt ports to modern Macs, it also added DisplayPort connectivity over the same ports. This means you can add a second display to your Mac using these ports, instead of relying on display-only connections like HDMI.
From 2004 to 2010, Apple sold the 30-inch Apple Cinema Display, and many of these displays are still around and working. Although lower in resolution by today’s standards, they can still make great second or primary displays for your modern Mac.
These displays had a proprietary Apple dual-link DVI connector which requires a separate adaptor box. This adapter box has a DVI port and a USB port for power and control.
Read more at AppleInsider.com