LG 22MD4KA-B UltraFine 4K Display 21.5" UHD 4096x2304 4xUSB-C

System requirements and compatible Mac models The LG UltraFine 4K Display requires a Mac with one or more USB-C ports, running macOS Sierra 10.12.1 or later. (macOS Sierra 10.12.2 or later is recommended.) You can use the LG UltraFine 4K Display with these Mac models: 4096 x 2304 @ 60Hz ï‚· iMac Pro (2017) ï‚· iMac (2017) ï‚· MacBook Pro (2016 and later) ï‚· MacBook (2016 and later) 4096 x 2304 @ 48Hz ï‚· MacBook (2015 and later) A Mac with built-in USB-C or Thunderbolt 3 (USB-C) ports is required; the display isn't compatible with Mac models that use Thunderbolt 2. Will only charge Macbook and Macbook Pro 13", NOT Macbook Pro 15" macOS Sierra 10.12.1 or later USB-C power delivery The LG UltraFine 4K Display provides up to 60W of power over USB-C and can fully power these Mac models using the included USB-C cable: ï‚· MacBook Pro (13-inch, 2016 and later) ï‚· MacBook (2015 and later) The UltraFine 4K won't fully power 15-inch MacBook Pro from 2016 and later, which requires 85W. If you try to power your 15-inch MacBook Pro through the display, your notebook's battery will be utilized during times of heavy activity. To fully power your MacBook Pro and charge its battery, connect your 15-inch MacBook Pro to its Apple 87W USB-C power adapter when you use it with the UltraFine 4K. The LG UltraFine 4K Display provides 7.5W to each of its three downstream USB-C (480 Mbps) ports. To charge Apple Lightning-based devices and accessories-such as iPhone, iPad, AirPods, Magic Keyboard, Magic Trackpad 2, and Magic Mouse 2-you can use the Apple USB-C to Lightning Cable or a combination of the Apple USB-C to USB Adapter and the Apple Lightning to USB Cable.