1-2 of 2 Answers
Unfortunately this cable seems to be Display Port 1.2, and does not support 2560 x 1440 @ 240hz you would need a cable that is display port 1.4a to achieve that goal
I would recommend:
Sorry, there was a problem. Please try again later.No, the maximum resolution is 4K @ 60Hz.
Sorry, there was a problem. Please try again later.

