Serial pass:
http://www.hardware-test.dk/images/litteratur/th-3336-1.jpg
HTF
Parallel pass:
http://www.hardware-test.dk/images/litteratur/th-3336-3.jpg
BLack Ice und Themochill PA120.3.
http://www.overclock.net/water-cooling/58448-monthly-roundup-water-coolings-best-components.html