FrostyTech.com Heatsink Reviews and Analysis
   
  

TOP 5 Heat Sinks     TOP 5 Low Profile Heat Sinks     TOP 5 Liquid Coolers    
 Heatsinks by Brand / Mfgr      Reviews + Articless     Advanced Search    

Zalman CNPS8700 LED Low Noise Heatsink Review
Zalman CNPS8700 LED Low Noise Heatsink Review
  87%   
Abstract: Got a noisy computer? If you've finally decided to take some action and replace a loud heatsink for something quieter, and cooler-running, take notice of the Zalman CNPS8700 LED heatsink.

 Manufacturer  Category  Published  Author 
Zalman   Cooling / Heatsinks   Feb 03, 2008   Max Page  

Home > Reviews > Page: 360° View - Zalman CNPS8700 LED Heatsink

Base Finish and Flatness

Flipping a heatsink over to inspect the business end is often a simple indicator of overall cooler quality. More practically speaking, a heatsink is in many ways only as effective as the contact it makes with the processor - the flatter and smoother the better. Base finish is one of the criteria that Frostytech measure in the course of evaluating heatsinks, and it involves two distinct aspects. Surface Finish is the first; this is calculated with the aid of Surface Roughness Comparator that has a cross section of common machine surface finishes and their numerical surface roughness equivalents in microinches. The second is Surface Flatness. This is tested with an engineers straight edge or proven flat surface, in two axis.

The Zalman 8700 LED heatsink heatsink has a surface roughness of approximately 8 microinches, which is considered good. The copper base has a smooth polished surface finish and is perfectly flat in both axis.

360° View - Zalman CNPS8700 LED Heatsink


Information on Frostytech's test methodology is available here.

The 105mm fan spins at 2300RPM, and draws power from a standard 3-pin motherboard fan header. The seven-bladed translucent impeller is internally illuminated by a couple blue LEDs. Since airflow is directed downward, components adjacent to the CPU socket are also cooled to some degree. Removing the fan gives us a clearer idea of how the CNPS8700 LED heatsink is made from an assembly of individually punched out sheets of 0.2mm thick copper. Each copper fin is 35mm long.

Standing 66mm tall, the Zalman CNPS8700 LED is a compact heatsink in the vertical sense. The spring clip system is mounted to the heatsink just under the integral 105mm fan. The bevel in the shape of the heatsink fins is so it will clear the heatsink retention frame.

The copper base is 30x34mm in size, machined razor flat and polished smooth.

 Previous Page ° ° Next Page 

Table of Contents:

 1:  Zalman CNPS8700 LED Low Noise Heatsink Review
 2: — 360° View - Zalman CNPS8700 LED Heatsink
 3:  Acoustic Comparisons and Base Surface Quality
 4:  AMD K8 Final Heatsink Temperature Comparisons
 5:  Intel LGA775 Final Heatsink Temperature Comparisons

List all Zalman heat sinks that Frostytech tested?

Facebook RSS Feed Twitter
Resources
° Got Feedback?
° Mk.II Test Platform
° Where To Buy?
° Manufacturer Index
° Industry Dir.
° Cooling Projects
Recently Tested

Scythe Mugen 5 Rev B SCMG-5100 Heatsink Review

Gelid Tranquillo 4 Air Cooled Heatsink Review

Coolermaster Ergostand III Laptop Cooling Stand Review

Noctua NH-D9DXi4-3U LGA2011 Xeon Server/Workstation Heatsink Review

Noctua NH-L9x65 Low Profile Heatsink Review

Scythe Fuma SCFM-1000 Heatsink
...More Articles >>


Websites you may also like:
PCSTATS


FrostyTech.com
Since June 1999


Find a Heatsink
Latest Heatsink Reviews
Top 5 Heatsinks Tested
Top 5 Low Profile Heatsinks
Top 5 Liquid Coolers
Heatsinks by Mfgr / Brand


Social Media
Facebook
Twitter
Pinterest


FrostyTech.com Info
Feedback
Contact Us / Heatsink Submissions
Submit News
Privacy Policy
Suite 66

© Copyright 1999-2023 www.frostytech.com All Rights Reserved. Privacy policy and Terms of Use
Images © FrostyTech.com and may not be reproduced without express written permission. Current students and faculty of accredited Universities may use Frostytech images in research papers and thesis, provided each image is attributed.