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Bitspower NP 60CS Skived Heatsink Review
review by David, 21 April 2002

Introduction

Performance heatsinks of today are mostly based around all-copper solutions or hybrid copper-aluminium designs, as well as utilizing high flow fans. The popularity of all-copper heatsinks is evident in the multitude of copper solutions available on the market. Among the many manufacturers include Bitspower. Bitspower isn't exactly one of the more well known names in CPU cooling technology, though their skived heatsinks have been around for some time. Bitspower is unique in the sense that they have a whole line of coolers based around the skived fins design.

Skiving is basically the process of shaving the fins off the base of the heatsink, so that the fins and the base are all in one piece. This allows for maximum thermal transfer between the base and the fins. The shaving process also results in the fins having one smooth side, and one rough side. This helps increase surface area, resulting in better heat dissipation.

Thus, the integration of copper heatsinks and skiving technology is an interesting issue. How far can copper go? How much farther will skiving technologies take CPU cooling performance?

Bitspower sent over some heatsinks for review, the NP80D, an all aluminium heatsink, which was reviewed some time ago, as well as the NP60CS, which is on the review block for today. Here are the specifications of the heatsink in question:

Gross Weight330 g
DimensionsL60 *W60 *H52 (mm)
Heat Sink DimensionsL60 *W60 *H27 (mm)
Heat SinkFin 321 Pin
Heat Sink Material Copper
Clip MaterialSteel SK7
Fan BearingOne Ball One Sleeve Bearing
Fan DimensionsL60 *W60 *H20(mm)
Fan MTBF20,000 Hours
Power ConnectorMolex 2510 3 Pin
Output SignalYes
Fan RPM5500 10 % RPM
Air Flow28.95 5 % CFM 
Noise41.5 dB/A
Fan Safety StandardUL, TUV, CSA
Rated VoltageDC 12 V
Rated Current0.28A
Operating RangeDC 6.0 ~ 13.8 V
Rated Input3.36W

 

Lets take a look at the heatsink itself.

A Closer Look >>


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