Cheers for the tip their - might have a tweak when stress testing next 
it is only on about 2 at the moment, seems to be the only speed that i cannot hear it!
Will have a play, and see if i can get hold of the faster speed fans cheaply, then will report back... worst case as has been said, i will have to buy a thicker 120mm rad.
it is only on about 2 at the moment, seems to be the only speed that i cannot hear it!Will have a play, and see if i can get hold of the faster speed fans cheaply, then will report back... worst case as has been said, i will have to buy a thicker 120mm rad.