joeyf76 :
I have sailfish DisplayPort to HDMI try to connect my Xbox to dp on monitor at 4k 60 FPS and it not working monitor is Asus PB287Q
You bought the reverse of what you need, if you look at the cable it tells you that it will not work for HDMI to DP which is what you need, you are not going from DP to HDMI, you are going from HDMI to DP. This is on their product page at Amazon