[WebMasta33]

Socket A or 370 water block
For SOCKET 370 or SOCKET A
64mm(W) X 64mm(L) X 19mm(H)(55mm ; Include clips)
450 g
Copper, Aluminium, Stainless steel, Spring steel

-Water Jacket effectively absorbs the heat of CPU core through swirling waterway and two heat-bridges.
-The Base employs copper which is next to silver in heat conductivity
-The cover of Jacket employs aluminium which has light weight and excellent heat conductivity.
-In order to avoid corrosion between two different metals, they are gard-anodization and additional insulation coationg treated.

That's their waterblock... Looks kinda small. They're descriptions kinda irritated me. Kinda vague in why it's so good (or not).

I'd say what everyone else said about the rad, but it's already been said enough!