What could I have done better?

[john101231]

CPU: Intel Core i7-7700

Motherboard: MSI - Z270-A PRO ATX LGA1151 Motherboard

Memory: CORSAIR Vengeance LPX 16GB (2x 8GB) DDR4 DRAM 2133MHz

Storage: Samsung - 850 EVO-Series 250GB 2.5" Solid State Drive

Video Card: MSI GTX 1080 8GB GAMING X

Case: Cooler Master - MasterCase Pro 6 ATX Mid Tower Case

Power Supply: EVGA - SuperNOVA G3 650W 80+ Gold Certified Fully-Modular ATX Power Supply

Operating System: Microsoft - Windows 10 Home OEM 64-bit

Wireless Network Adapter: Asus - PCE-AC68 PCI-Express x1 802.11a/b/g/n/ac Wi-Fi Adapter

Monitor: BenQ - BL2711U 27.0" 3840x2160 60Hz Monitor

Keyboard: Razer - BlackWidow Chroma V2 Wired Gaming Keyboard

Mouse: Razer - DeathAdder Chroma Wired Optical Mouse

 

[Hellfire13]

You could have gone with the the 7700k and higher(3200) RAM for a few more bucks.
Also maybe a 1440p or 144hz monitor.

 

[CapsLuke]

that mobo is good for overclocking, so i would have bought a K cpu, but still the i7 7700 won't have any problem. great build!