On Figure 4 you see its block, which integrates its pump, reservoir and the block itself.
click to enlarge Figure 4: Aquagate Mini block (pump, reservoir and block are integrated together in this piece).
The base of the block is made of copper, as you can see on Figure 5.
click to enlarge Figure 5: A closer look on the block base.
As we mentioned, the only difference between R80 and R120 models is the size of the fan and of the radiator. On Figure 6 you can check the fan and radiator from R80 model.