Can't Touch This! A Comparison of 46 CPU Coolers

Zalman CNPS3000 (Copper): Better Than Aluminum

Zalman CNPS3000.

Zalman CNPS3000.

As a direct comparison to the CNPS2005, which has the same design, only in aluminum, the heat sink on the CNPS3000 is made of pure copper. This improves the cooling performance somewhat to an attained temperature of 46 degrees.