Adapters that hook up a second external display to Mac models

Many Mac models available in the market are capable of concurrently supporting the internal display at its native resolution automatically and a single external display in “mirroring mode” or in “extended desktop/dual display mode”. Moreover, several Retina Display MacBook Pro models ensure a maximum resolution up to 2560×1600 on two external displays with the help of Thunderbolt and one display up to 1920×1200 through HDMI. It means, it is capable of empowering three external automatically. If Mac users have enough physical space, they could connect additional displays with 3rd party adapters with the help of Mac technical support.


USB Adapter Options

Using a USB 2.0 to VGA or DVI adapter is easier way to put together an extra external display to Mac models. Initially, there were some adapters available for supporting a maximum resolution of 1600×1200 or 1680×1050. Now with the new generation of adapters, things have changed as they are supposed to support larger displays with a maximum resolution of 1920×1200 or 2048×1152. Following are 3 adapters tha are Mac compatible including:

  • Gefen USB to DVI Graphics Adapter
  • EVGA UVPlus+19 Adapter
  • OWC USB to DVI/HDMI/VGA to Video HD Video Display Adapter

Plainly speaking, these mentioned-above adapters function the same way with the process of compressing and decompressing the video signal to exploit the limited bandwidth rendered by USB 2.0. In addition, these adapters support an extra external display on any Intel-based Mac bound with OS X 10.4 “Tiger” or higher versions. Remember: these are not attuned with Macs that are PC-based. Have a look at some possibilities:  Contact Apple technical support customer service phone number

  • When things are considered for the MacBook Air models, Mac users can effortlessly attach a 2nd external display with a single adapter and 2nd and 3rd external display with two adapters for MacBook Air models with two USB 2.0 ports.
  • When it comes to the 13-Inch and 15-Inch MacBook and MacBook Pro models, users can easily attach additional displays with two adapters with the help of USB 2.0 ports.
  • Users of 17-Inch MacBook Pro models are allowed to connect 3 additional external displays with three adapters with the help of three USB 2.0 ports.

Connecting additional displays to MacBook models seems an easy job but USB adapters have some limitations. Remember: USB 2.0 has insufficient bandwidth to “fully support” OpenGL 3D hardware acceleration. Moreover, these adapters do not work well with gaming, video playback or video editing.

However, it is good for having basic productivity for simple jobs that include: chatting, word processing, spreadsheets, and web browsing.

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