WVMountie07 :
I use Corsair AF120s on mine. Love them! $20/pair on Amazon.
Those are good for the case, but the AIO liquid-cooler requires static pressure/focused flow fans so the air can move through the radiator. And the stock fans on them are already the Corsair SP120. Which are horrible.
I swapped mine on the H100i to Vardar F4-120 and they made quite a bit difference.