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JMC 401100 Phoenix 70 Radial Fin Heatsink Review
JMC 401100 Phoenix 70 Radial Fin Heatsink Review
  89%   
Abstract: The original Agilent heatsink was made for socket 370 Pentium III processors, but this version is intended for use with socket 478 Pentium 4's.

 Manufacturer  Category  Published  Author 
JMC   Cooling / Heatsinks   Mar 24, 2003   Max Page  

Home > Reviews > Page: Thermal And Acoustic Results
Acoustic Samples: Listen to this Heatsink!

I'm glad to say that this heatsink has a slightly machine sound when it is operation, and not at all that high pitched whine we have all come to dread in the last year or so. The heatsink doesn't quite qualify as low noise, but it is certainly not very distracting. To listen to this heatsink for yourself in operation, be sure to click on the little headphones icon below and download the Acoustic Sample MP3 file.

FrostyTech Acoustic Sampling Chamber

Standard Waveform view of a 10 second recording. Click on the headphones to listen to an MP3 recording of this heatsink in operation.
Listen to this Heatsink now.

Sound Level Measurements:

Listening to the actual noise a heatsink makes allows you to hear what pure numbers alone cannot get across. To further emphasize FrostyTech's reliance on cold hard facts when evaluating a heatsink, we also take Decibel readings with a sound level meter. These results may be higher than the manufacturer's listed specs, but then again these are real world measurements. Measurements are made on the dB (A) scale.

FrostyTech Sound Level Results
- Manufacturer Model Noise Level Scale
Zalman CNPS700-Cu 41.7 dB
Zalman CNPS6500-AlCu 47.4/28.9 dB
Intel Socket 478 42.5 dB
Arkua 848X-6B 49.3 dB
Taisol CEP426151A 50.7 dB
JMC 400094 50.8 dB
Vantec CCK-7025 51.4 dB
Arkua 838T-7G 51.7 dB
JMC 401100 53.0 dB
Dynatron DC1207BMW 53.0 dB
Thermal Integration (high) TI-V7035TN 53.6 dB
Zalman CNPS5700D-Cu 53.8 dB
Globalwin VA476 54.2 dB
Eumax DW-45 54.2 dB
Dynatron DC1206BMV 55.1 dB
Glacialtech Igloo 3300 55.4 dB
AVC 117140 56.1 dB
Taisol CCP445172 57.5 dB
CPUMate DIA10500 57.5 dB
NengTyi NW6700 58.0 dB
Coolermaster IHC-H71 64.4 dB louder

The heatsink measures in at 53 dB which is fairly respectable. Much of the noise that is generated comes from airflow, and is of a lower pitch which is not so annoying. Up next, thermal results.


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Table of Contents:

 1:  JMC 401100 Phoenix 70 Radial Fin Heatsink Review
 2:  Taking a look at the heatsink from all sides
 3:  New Heatsink Test Parameters
 4: — Thermal And Acoustic Results
 5:  Final temperature results

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