FrostyTech has posted a CoolJag JVC661A V-Type Pentium 4 Heatsink review

Countless heatsink designs have been cast into aluminum in an effort to meet the requirements of both low cost and high thermal efficiency. Aluminum extrusions have typically been the most popular option, but within the last year and a half skiving has come to market and been adopted widely. All skived heatsinks up until now have been based on right angles - the fins meet up with the base at a nice 90 degree junction. While this is still actually true, the JVC661A leverages the base adjacent to a central V-shaped channel up 15 degrees or so. In other words, the fins meet up with the base at a right angle, but the base angles up towards the center. Enter the"V-Type" skive heatsink you see to the left. The triangular shaped base and V-shaped cut out in the skived fin are intended to improve thermal performance by aiding the exhaust air path to the surrounding environment. As we move forward with the testing of the CoolJag JVC661A it will be interesting to see just how this new design adaptation works to improve or inhibit thermal efficiency.... among other points of consideration.

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