Not sure if I can compare the 2, but read through it.
This is from Cooler master tech support on my Cosmos 2 Fan controller making the exact same noise. They explain why my SP120 is clicking.
Please note that the fan controller that is included with the COMOS II is meant only for fans without LED or if with LED must have the 2 separate connectors, 1 x 3 pin female connector for the fan power and 1 x 2 pin male connector for the LED power and control.
If you connect a fan with just one connector to the fan control with LED, the amperage is much higher therefore causing the clicking noise you were experiencing. In addition only fans with similar specs will work without issues with the COMOS II, as all the 120mm fans that originally came with the case are actually only approximately 600-1000RPM fans while the Sickle fan model you provided has specs of 800-2400RPM.
Please see another example below:
Sickle fan 1200 RPM VS Sickle fan 2000 RPM
Sickle fan 1200 RPM
Current (Ampere) 0.12A
Input (Watt) 1.44W
Sickle fan 2000 RPM
Current (Ampere) 0.35A
Input (Watt) 4.2W
As shown above the power requirements of both of these non LED version differs by a very large margin. If you were to use the 2000 RPM version it will likely cause the same clicking issue but if you use the 1200RPM version it looks to be still in the same range as the original fans so should not cause the same clicking issue. Hope this helps.
Cooler Master Technical Support
My Cosmos 2 controller is running 2 x Corsair H100 fans and AF140. The AF140 does not click and the Corsair H100 fans only stop clicking if I use the standard voltage drop extension.
I returned my Bitfenix fan controller to the supplier took 3 of my fans with.They tested and (no fault found). The technician told me there is nothing wrong(here he is speaking load because of the heavy buzzing/clicking noise). Note he is just a normal technician and not an overclock.net member.
Anyways after a nerd battle he refunded me.