You have a good graphics card and monitor, so you must be planning to play games at high graphics quality settings. If you were really serious about gaming, you would get a 1070.
You have spent a lot of money on the processor, cooler, motherboard combo so you must be intending to do some extremely CPU intensive video editing or streaming. If you just want to do gaming, you can save $300 on this part of your build.
SSD and RAM are fine
The case is expensive.