bequiet! Shadow Rock Slim Heatsink Review | Hardware Asylum
It is not uncommon for companies to have two product lines that essentially do the same thing. Of course there are always differences like the Ethernet controller on a motherboard or the cooler on an overclocked video card. However, under all that you have something that relates to something else that company offers. bequiet!, the German based cooling and power supply manufacturer, is no exception and offers two basic styles to their heatsinks, the Dark Rock and the Shadow Rock.
via bequiet! Shadow Rock Slim Heatsink Review | Hardware Asylum.