Weighing in at 780 grams, the Gigabyte PCU31-VH 3DCooler-Ultra certainly lives up to its name, performing in the top percentile of our synthetic temperature tests on the Intel Pentium 4 platform. For a new company to the heatsink business, Gigabyte are certainly making a very good first impression. Let's take a closer look at the Gigabyte PCU31-VH, some of the features that have gone into making it the heatsink it is, and explore its versatile capabilities. The Gigabyte 3DCooler-Ultra is part of a series in the 3DCooler family which are heatpipe and forged copper base heatsinks designed to cool every type of processor currently available. In other words, the PCU31-VH will work with a socket 462 AthlonXP, socket 478 Pentium 4, or even a socket 754 Athlon64 processor.