With this build, you're looking gaming on high/ultra settings @ 1440p (2K) with solid 60+ FPS.
You can remove the WD 1TB HDD if you don't want extra storage space. Oh, you can also replace the PC case if you don't like Phanteks i put it. Just make sure you pick a case that has CPU cooler clearance of 164mm or you're looking replacing your CPU cooler as well.