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I have a Late 2016 MacBook Pro 13" laptop and I am considering buying the Samsung CF791 34" monitor, capable of 3440 x 1440 @ 100 Hz resolution. I realize I may need to buy an adapter, such as the USB-C to DisplayPort Adapter Cable from StarTech, but I'm concerned I won't be able to get 100 Hz from this cable and/or the built-in video card won't support that resolution and refresh rate.

If I buy this monitor and cable, will I be able to use the Mac at 3440 x 1440 @ 100 Hz resolution?

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The Startech adapter didn't work for me with the Samsung CF791 (the monitor was not getting any signal and I had to return the cable). I did however get 3440x1440 @ 100 Hz using the Anker USB-C to HDMI adapter. You can see it here: enter image description here

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  • Thanks for the answer. While I ended up returning the CF791 (5 out of 5 CF791 monitors had several dead pixels and text clarity was awful compared to Dell U3415W, which I ended up going with instead), it's good to know Macbook Pro is capable of 100 Hertz refresh rate with the Anker USB-C to HDMI adapter. – Swisher Sweet May 1 '17 at 12:10
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From http://www.apple.com/macbook-pro/specs/

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 over a billion colors
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    ...In other words, yes to that resolution but likely not at 100Hz – Steve Chambers Mar 20 '17 at 17:19
  • Thanks. I was hoping one could get more refreshes (Hz) in at a lower resolution, i.e. 3440 x 1440 @ 100 Hz vs. 5120 x 2880 @ 60 Hz. – Swisher Sweet Mar 20 '17 at 19:08

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