Before I bought the DP cable to the monitor via DVI ran with 1920 x 1080th
That went without problems.
Now with the DP cable and at full resolution, it comes now and then to problems.
After awakening from retirement, the monitor remains sometimes black, or light gray.
Then I have to turn it off once and on again.
When I monitor the OFF and after a time start only the Mac. It can happen.
That's moved the whole resolution. This was not the case previously DVI.
I can only counteract, in which I use the monitor to let (Standby).
Strange thing where I've not found any better solution.
Therefore 1 star deduction.
The brightness is sufficient for me.
But in direct comparison with the iMac, the colors are much paler.
This, unfortunately, according to various settings.
Therefore, again 1 star deduction.
In spite of all is the monitor for the price OK.
If the problem with the DP would not, I would even give almost 5 stars.
