Quote Originally Posted by Nickel020 View Post
The difference is negligible, just look at the numbers for the two inlet configurations of the Apogee XT:
http://www.swiftnets.com/products/APOGEE-XT.asp
They probably just didn't think many people would care, their usual customers certainly won't, they use thin tubing. But this time around they actually made a higher performance block that other people than their usual customers might be interested in.
I'm sorry, but imho comparing two different waterblocks even though with seemingly similar inner structure is nevertheless 'apples to oranges' comparison. I doubt AC didn't think of fitting compatibility issue, and we don't have on hand real numbers of their different test block varieties to objectively state something. You have your guess, which is just as possible as guess of mine . At the end fitting compatibility is just one of waterblock features in doing purchase decision, and if this waterblock will shine in other areas good enough in independent trustable 3rd party tests, i'm shure people will buy it nevertheless this shortcoming.