Originally Posted by phallacy
I believe so but you might have to modify the optical bay a little bit to get it to fit. Check the first post of this thread there is a subsection for mounting a 420.
It's 55 mm Thick. This introduces a few complications.
First, the only way it will fit is without a rear case fan or with the ports at the front of the case.
The lowest part of your rad/fans will sit right up on your motherboard and your fittings will interfere with your IO ports if toward the back of the case. You can reference my photos which are in the OP. My rad is a 30mm thick rad with the fans on top. you would most certainly need to run your rad with the fans on the bottom or your ports toward the front of the case.
Also, with fans it will completely block out the channel (on the case) through which you run your 8 pin CPU. I'm not even sure you'd be able to run it behind the motherboard as the clearance will be that tight... your only option would be over the motherboard or sneak it through tight against the back of the case.... this would result in a longer than standard 8pin cpu cable.
You may be able to offset the rad but you will have to chop out the 5.25 bays to do that. Or you could run your fans outside the case, but I would think you would need to cut the mesh on the top of the case and seal the fans to the rad to get the appropriate amount of air moving through that 55mm thick rad.
The thickest 420 you can run on top without headaches would be 45mm TOPS.Edited by Aemonn - 4/3/14 at 11:11am