Question Question about fan hubs

DMAN999

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Those fans can be daisy chained together and just the lst one's RGB cable gets plugged into your motherboards 4 pin RGB header.
Look at page 36 of your MB manual:
https://download.msi.com/archive/mnu_exe/mb/E7B86v1.2-GSE-LITE.pdf
Then you need to use MSI RGB software to control the RGBs on the fans.

The PWM cables from those fans can be plugged into the SYS_Fan headers (there are 4 of them) on your MB so you can control fan speed via the BIOS or whatever MSI software does that.
See page 33 of your MB manual.