Viper's Lair has posted a review on the Volcano 7+ heatsink

Other than the copper insert from the previous version of the Volcano 7 being omitted, Thermaltake really upped the fin count this time around. There are a total of 72 thin fins (36 on either side) now. As you may, or may not know, thin fins allow manufacturers to pack more of them in. This increases the total surface area for heat to dissipate. Because they're thin, this would also speed up the heat dissipation, which is good, considering copper, by nature, retains heat longer than aluminum.

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