Conflicting fan specs in CH50 Cooler push-pull config

I recently ordered an Antec 300 Illusion case:
http://www.newegg.com/Product/Product.aspx?Item=N82E16811129066

and the Corsair CWCH50-1 Cooler:
http://www.newegg.com/Product/Product.aspx?Item=N82E16835181010

My question is, if I mount the cooler fan in a push-pull exhaust config to the rear antec 120mm fan, would any difference in RPM or CFM cause turbulence, lowering my heating capabilities?

And one more thing, I found the fans included with the case are molex connectors, the one with the cooler is a 3 or 4-pin. would that cause some kind of inefficiency? Anyone with these parts have any input?

I haven't received either yet so I can't check this stuff myself, it's my first build though so I'm kind of nervous. :sweat:

My build
GPU: Intel Core i7-930 Bloomfield
RAM: Corsair Dominator (3x2GB) DDR3 1600 TR3X6G1600C8D
PSU: Corsair HX Series 850w CMPSU-850HX
Card: XFX Radeon 5850 HD-585X-ZAFC
Mobo: Asus P6X58D Premium LGA 1366
HD: Samsung Spinpoint F3 HD103SJ 1TB
Case: Antec 300 Illusion
DVD Drive: Lite-On 24X DVD Writer iHAS-324-98
Cooling: Corsair CWCH50-1
OS: Windows 7 Professional 64-bit

edit: Just another note, I plan to overclock it eventually, which is why I got the aftermarket cooler.
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More about conflicting specs ch50 cooler push pull config
  1. It is better advisable to have the same fans on either side of the Radiator with a common power source, using a splitter or something like that.
    The RPM difference will cause a drop in pressure or a rise in pressure between the 2 fans there by causing an interference between the free movement of the blades of the fan, since the fans for the rigs aren't meant for such high velocity winds conditions :) .
    It would be safer to go with 2 New fans of the same make and same capacity......

    I have 2 H50s and both in Push Pull configs..... but one is with the two Corsair fans and the other is with 2 HAF 922 Basckside fans....
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