"While I was doing the test runs for a baseline to compare to, I noticed the head temp never changed. While connected to the system it stayed at a frosty -44C degrees, load or idle. This proving only to be a reference that the phase system was running. To test this theory out, I took off the head and did a dry run with the head actually hitting -50C degrees."
FULL STORY @ PCAPEX (http://reviews.pcapex.com/cooling/cooler_express_phase_cpu_cooler.php)