NZXT Kraken X61 AIO Liquid CPU Cooler Review
 

NZXT is known to many enthusiasts for its computer cases but not so much for its Kraken series of CPU closed loop liquid coolers. After a year of design NZXT has introduced its new Kraken X61. Its claim to fame is that it is the "world's first variable speed liquid cooler." Let's see what this variable RPM pump does for the new Kraken.

http://www.hardocp.com/article/2014/...cooler_review/