Upgrading my PC

[nObOddY]

Hello 
Recently I got some spare money to spend on the upgrades, Can you tell me if i have make right choice when chosing components. PC will be moslty used for gaming in 1440p and 1080p, I currently run setup with 4 24inch  monitors 2 of them are 1080p 144hz.
Current build:
Ryzen 1600x + Coler Master ML240L AIO

Asus ROG STRIX b450 Gaming f board:

Gigabyte 1050ti 

16GB Corsair vengance RGB 300MHz 

1TB Seagate Barracuda 720RPM

Below are the parts I decided to buy as an upgrade. My overal budget is around 2000 GBP 

 

PCPartPicker Part List: https://uk.pcpartpicker.com/list/B374XP

CPU: AMD Ryzen 7 3700X 3.6 GHz 8-Core Processor  
CPU Cooler: Cooler Master MasterLiquid ML240L RGB 66.7 CFM Liquid CPU Cooler  
Motherboard: Asus ROG STRIX B450-F GAMING ATX AM4 Motherboard  
Memory: Corsair Vengeance RGB 16 GB (2 x 8 GB) DDR4-3000 Memory  ( 
Storage: Samsung 970 Evo 500 GB M.2-2280 NVME Solid State Drive  
Storage: Samsung 860 Evo 1 TB 2.5" Solid State Drive  
Storage: Seagate Barracuda 3 TB 3.5" 7200RPM Internal Hard Drive 
Video Card: Gigabyte GeForce RTX 2080 8 GB AORUS XTREME WATERFORCE Video Card 
Case: Corsair Crystal Series 680X RGB ATX Mid Tower Case   
Power Supply: Corsair RMx (2018) 750 W 80+ Gold Certified Fully Modular ATX Power Supply