The GL503VD has an HDMI 1.4 port which is limited to 4k 30hz. The GPU does not matter because the port is the limitation. You can run a higher refresh but you will have to lower the resolution. Depending on the monitor 1920x1080 may look clear for desktop work because it is exactly 1/4 of a 4k display.
A bus station is where a bus stops. A train station is where a train stops. On my desk, I have a work station…