Its for lga 775
with current design temperatures are ( CPU core 2 duo E8400 )
Ambient 34 c
idle cpu 44 c
load cpu 58 c
The base is made up of copper the black line in the following pic. above that is water container part of the block made of acrylic and above that is where i have attached barbs.
The copper plate has mirror finish on the side that touches the processor and 120 grit sanded side, the one that touches the flowing water.
i hope its helps to understand what...