The refresh rate for Mac mini 2014 at 3840x2160 using Thunderbolt

Here: http://www.apple.com/mac-mini/specs/
, it says that the refresh rate for resolution 3840x2160 for HDMI is 30 Hz.
I'm wondering if it's the same using Thunderbolt, or more correctly DisplayPort.
Thanks!

MacMagnus wrote:
Ok, thanks!
If I could ask another question regarding this... is 30 Hz poor even for desktop work? Or movies.
I believe the 30Hz is progressive and therefore for movies/video would normally look quite good. However for sports e.g. soccer which has a fast moving object i.e. the ball it would be less good. I have also seen comments suggesting that for computer use it is also less desirable particularly when you are scrolling as this entails affectively the entire screen image 'moving fast'.
This is not based on personal use as I cannot afford a 4K screen yet myself. However for DVDs 24p is considered a to give a good image for movies and this I can confirm from personal experience so 30p should be even better. Obviously 60p is better still but for that you need either a Mac Pro, iMac or MacBook Pro Retina.
It is probably going to depend on what you will be using it for. Perhaps you should consider spending a little more for a MacBook Pro Retina which can do 60 Hz.
See Using 4K displays and Ultra HD TVs with Mac computers - Apple Support

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