In Figure 4, you can see the cooler from the front side. Through the fins you can get a glimpse of the green fan, as well as the four well-distributed heatpipes.

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Figure 4: Front view.

In Figure 5 you have a side look of the cooler, where you can check the two-heatsink design. Note how they are not identical: the rear heatsink (where the fan is attached to) has more fins than the front one.

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Figure 5: Side view.

In Figure 6 you can check the rear heatsink. The manual especifically says to install the fan pushing the air on this heatsink.

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Figure 6: Rear view.

In Figure 7 you can notice that even with different heatsinks the shape of the fins is the same.

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Figure 7: Top view.