Cheaper boards with both 5050 & addressable headers
Asrock B450 Pro 4
ASROCK FATAL1TY B450 GAMING K4
Gigabyte - B450 AORUS PRO WIFI
MSI B450 Gaming Pro Carbon
The sp120 fans have a proprietary connector £ have to be used with a corsair controller hub.
Unless you're happy buying the full set of 3 fans & hub they shouldn't come into consideration.
What location are you, how many fans do you want, & what's your budget??
That case comes with a standard rear fan prefitted , you can fit 2 X 120s in the front.