https://ca.pcpartpicker.com/list/jqjCV7The parts were chosen with 1440p 144hz gaming in mind. You can change the CPU to an i7 if you wish. It's almost half the price you initially were going to spend, but this build is more realistic for the games you are playing.
If you plan on making videos or doing some 3d programming, an i7 or AMD equivalent would be better suited.