I've bought a new 21:9 IPS screen with a native resolution of 3440x1440px. The display has only two inputs: 1x DisplayPort which is connected to a workstation and 1x HDMI port which should go to my Mac Mini (Late 2012).

Unfortunately on the Mac, I only get 1920x1080@60hz in the system settings. Probably because HDMI hasn't enough throughput. My plan was to lower the Hz to 30. But this isn't possible. Only 60Hz and 50Hz are selectable under El Capitan.

The Mac Mini has two different outputs. 1x HDMI and 1x Thunderbolt/Mini-Displayport.

Do I simply need a different hardware adapter to get 3440x1440@30hz on the thunderbolt port using a HDMI<->Mini-Displayport adapter?

  • I am not sure, maybe you should look for a 4K capable HDMI cable... Commented Nov 25, 2015 at 17:29
  • 1
    Did the adapter work well? Commented Aug 6, 2016 at 11:03
  • He man, i saw you post and i had the same thing, did the 4K ready adapter work or do you have the same again? Commented Aug 6, 2016 at 18:04

1 Answer 1


Yes. The limitation is in the adapter cable. The one you listed should work well and there are many others now like the cable matters one linked below.

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