Q: I can't seem to run 3 external displays of off my MacBook Pro 13inc with Retina.
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May 19, 2014 7:50 AMby Ralph Landry1,How are you connecting the displays, Thunderbolt http://support.apple.com/kb/HT5219
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May 19, 2014 1:48 PMby Malcolm J. Rayfield,The specs say it supports two external displays.
<http://www.apple.com/macbook-pro/specs-retina/>
"Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on up to two external displays, both at millions of colors"
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Jul 30, 2014 12:31 PMby kidcobra,The late 2013 MacBook Pro Retina 13 inch screen model can power three external displays in addition to its own.
Here is a video showing three external displays working; 1 HDMI, 1 MiniDisplay Port, and 1 thru USB using a Startech external video card to DVI adapter. All the external displays are old 23 inch Apple Cinema Displays hooked up thru each monitor's Apple Display Connector (ADC), then to Apple ADC to DVI adapters, then a third adapter (HDMI, USB, MiniDisplayport). So ADC/ADC to DVI/DVI to whatever/MacBook. The monitors are probably older than some of the users on this board. The USB to DVI external card/adapter is what makes it work, and it's less than $70 online.
