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Although the 3DCooler GH-PCU21 from Gigabyte is the latest version, it can't hold a candle to Coolermaster's Hyper 6.
With the Hyper 6, which tips the scale at one kilogram, passive cooling is possible even on Intel systems.
The CNPS 7000A-CU from Zalman once again - it can be used on P4 systems too.
The boxed cooler from Intel is included in the Pentium 4 Northwood package. Meanwhile, a more powerful model with copper core is used for the Prescott processors.