Hey Paul, I noticed in one of your builds you talked about using the two stock 230mm fans in the top of the ATCS 840 on a 3x120 rad. Just curious if you have used the stock fans vs 3x120mm fans and what with what results? I'm using 3x 1850rpm GT's on a XSPC RX360 right now but if the stock fans will do as well I'd rather use them. Thanks! Major