I have the following hardware:

  • 2018 MacBook Pro 13''
  • LG UltraFine 5k
  • 2 x ThinkVision 1920x1200

Ideally, I would like to connect these 3 screens to my MacBook Pro.

I connected the LG UltraFine 5k on one side of the MacBook Pro, and both ThinkVision screens on the other side.

Currently, I only manage to get a most 2 of the screens running.

Is this a hardware limitation? Or is there a way to get the 3 screens at once.

  • 1
    I can't find 2018 specs but current 13" only supports 2 external screens. See tech specs here : apple.com/macbook-pro/specs – lx07 Sep 26 '19 at 13:42
  • @lx07 Thanks for you comment. I found the 2018 spec and answered my own question! – Pierre Spring Sep 27 '19 at 11:37
  • Great answer! Which model LG 5k - there are two Apple shipped - one is Thunderbolt only and the second one is Thunderbolt and USB-C protocol using the same physical connector. – bmike Sep 27 '19 at 14:46

As mentioned by in the 2018 MacBook Pro 13-inch spec, this is not possible. It supports at maximum of 2 external screens:

Video Support

Simultaneously supports full native resolution on the built-in display at millions of colors and:

  • One display with 5120-by-2880 resolution at 60Hz at over a billion colors
  • Up to two displays with 4096-by-2304 resolution at 60Hz at millions of colors
  • Up to two displays with 3840-by-2160 resolution at 60Hz at over a billion colors
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