The BF-3382 DisplayPort to HDMI Adapter lets you connect an advanced digital monitor, such as the
20- or 23-inch Apple Cinema Display, to a Mac Pro (2009), Mac mini (2009), iMac (2009), MacBook,
MacBook Pro, and MacBook Air with Mini DisplayPort.

Supports PC resolutions up to 1080p
No software installation or special drivers required
Works with Apple products featuring DisplayPort
Supports HDMI video resolution up to 1080p
Plug and play solution
Note: Note: This adapter is not support "Active Technology" and is therefore NOT suitable for AMD Eyefinity installations.

https://www.bafo.com/index.php/products/adapter/display-cable-adapter/bf-3382-displayport-to-hdmi-cable-adapter.html