The overall designs for the H.D.T. coolers are great. The install on the RVT-12025D model was easier than the RVT-12025. This was due to a tight clearance issue with my fingers pushing down on the pins for the Intel install. On a positive note, the motherboard removal was not necessary, and that is another major plus in my book for CPU cooler installs. With that said, both H.D.T coolers performed well, both are damn near silent, and the option of either a tower or low profile unit is another plus.