Corsair 100R rear fan has extra cables

[chipnchips]

There are these extra 3 pin cables on top of the a white 3 pin connector that I have already plugged into my motherboard.
What are they for?

 

[Aeacus]

Located above the PCI expansion slot covers is a 120mm rear exhaust cooling fan. For the silent edition there is also a three-channel fan controller which is placed just above the fan. As such, there is a bunch of cables – three fan headers and one SATA for power.

source with images: https://www.vortez.net/articles_pages/corsair_carbide_100r_silent_review,6.html