Hardwareheaven.com posted a review on the Dark Rock Pro 2 Cooler
Based in Germany be quiet! are a manufacturer of PSUs, coolers and case fans with a focus on the former. The product we have received from be quiet! today is the Dark Rock Pro 2 cooler their flagship model which promises ultra-high performance with virtually silent operation. Let's find out if it achieves this goal...be quiet! Dark Rock Pro 2 Cooler Review