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This question already has an answer here:

Just wondering if there's any docking solution that provides the possibility to connect to 3 external displays to the MacBook Air 2018, or if we're hardware limited by the iGPU here.

marked as duplicate by Tetsujin, Allan, user310476, fsb, user3439894 Mar 4 at 23:04

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If you want a "native" display signal, the 2018 Retina MacBook Air is limited to 2 external monitors.

However, you can use other types of displays such as a USB display to act as a third monitor. They are generally limited in resolution, update frequency, GPU performance, etc. - so do not expect to be able to play 3D games or use 4k resolution on such a display.

If you want higher performance for the third display, you can connect an eGPU to the MacBook Air which would enable you to use more monitors with higher performance. Such a setup is usually quite more costly than a USB display however.

  • Thank you! I think something like this would do the trick for the last monitor. So it's USB displays I should be looking into for MacOS? – James Myers Mar 4 at 18:16
  • It doesn’t matter if you want to run macOS, Windows or something else - the limitation is the same. What type of display to look for really depends on what you want to use it for? – jksoegaard Mar 4 at 18:29
  • Gotcha. I think with your suggestion this will do the trick: amazon.ca/Plugable-Charging-Delivery-Specific-Thunderbolt/dp/… As Apple seems to have fixed the compatibility issues with DisplayLink devices in 10.14.2: plugable.com/2018/03/30/… – James Myers Mar 4 at 20:25
  • @JamesMyers There seems to be some confusing as to which computer you actually have. Your question says "MacBook Air", but the product you've found seems to suggest that you have a "Retina MacBook Air" (i.e. with USB-C connectors). Which computer do you have? – jksoegaard Mar 4 at 21:03
  • I think the dock I linked above is gonna do the trick, but for reference I was referring to the Macbook Air with Retina Display. I honestly had no idea Apple was still selling the legacy model. – James Myers Mar 7 at 14:03

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