I’m building Desktop PC for gaming.

I’m building my first ever gaming PC and my budget is around 2 grands. I have researched and below are the specs that I want but you can suggest me if you some better option in your mind.

Intel
8th Generation
Intel Core i7-8086K Desktop processor

GIGABYTE
B365M DS3H WIFI Motherboard

2x 16GB DDR4
3200MHz Desktop RAM

Samsung 980 Pro
256GB SSD

EVGA B1
500W PSU

ALIENWARE
34 QD-OLED

Razer
DeathAdder V2 Gaming Mouse