Your post and thread title are vague. We're going to need more info than that.
List our current system specs like so:
CPU cooler:ibuypower 120 mm addressable rgb liquid cooling
Motherboard:asrock z390 phantom gaming 4-IB
Ram:xpg d41 ddr4-3200
GPU:MSI gaming x trio rtx 2080ti
PSU:High Power 850watt 80+ gold
Chassis:TT View 31
New fans TT pure 14 aRGB sync
Then list the fans you've purchased. We can move forward from there.