I will grab a measure for you before bedAnd thanks for the kind words!
Edit:
Grabbed a measure for you and the top of the mobo tray rail, from the outside of the case is 1 1/4" and the assy for the slider is 1/4". So 1 1/2" is all you got depending on how the rad fits up and how much room is left from the mobo. There is more than enough room in the basement for 2 rads easily. I have a double and a tripple Feser rads in the basement with 38mm fans. But perhaps there is a certain reason for you wanting a rad in the attic? When I get some time I will slide my mobo in and get some better info for you![]()
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