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Cooler Master IHC-H71 Copper Pentium 4 Heatsink
Cooler Master IHC-H71 Copper Pentium 4 Heatsink
Abstract: The Cooler Master IHC-H71 fulfills this role by bringing highly conductive copper, heatpipes, and a good sized fan together.

 Manufacturer  Category  Published  Author 
CoolerMaster   Cooling / Heatsinks   Jun 17, 2002   Max Page  

Home > Reviews > Page: Thermal test results

Synthetic Temperature Test Results: *Ranked according to 100W interface die test results.

FrostyTech Synthetic Temperature Test Platform Results
Mfg. Model Ambient Temp. 27mm large copper block 27mm large copper block Thermal pad No. Fans Fan Noise Clip force
50W 100W
1 AVC 117140 22.6 37.8 50.4 none 1 med med
2 Coolermaster IHC-H71 23.0 37.0 51.1 none 1 loud stiff
3 Arkua 8568 22.4 37.8 51.7 none 1 med med
4 NengTyi XPC5000 23.8 38.4 53.9 none 1 med loud
5 Zalman CNPS6500-AlCu 23.1 40.3 57.4 none 1 low easy
6 Vantec GSN-7025 22.5 41.7 58.5 none 1 med med
7 Chauh Choung DTA-478 22.4 42.1 59.0 carbon 1 low med
8 Intel Socket 478 22.4 41.8 59.8 carbon 1 low med
9 Titan TTC-MT3AB 22.8 41.5 61.2 none 2 loud stiff
10 Dynatron DC1206BM-S 22.4 43.2 62.0 none 1 med med
11 AVC 117160 22.4 42.7 62.2 white pad 1 med med
12 Cho-Liang CL-CB00881 23.6 41.2 65.0 none 1 med easy
13 Cho-Liang CL-CB0094-1A 23.2 39.5 67.9 none 1 med easy
14 Dynatron DC1206BMV 23.1 45.1 68.2 none 1 low easy
15 Vantec GSN-7015 22.4 47.5 69.0 none 1 loud stiff
50W 100W

It has been some time since we saw a heatsink enter on the list of reference heatsinks at such a high position. The Coolermaster IHC-H71 shows off very good initial performance by entering at the number two spot. Although it uses a louder fan than the AVC Sunflower its' design is a little more traditional than that cooler. AVC have a very solid product, and that is best shown by the fact Intel have chosen it for their heatsinks.

However, regardless of that, Coolermaster have managed to out perform the Arkua cooler which is no small feat either. Arkua are one of our favorite manufacturers around here and it was good to see that Coolermaster surpass those high standards as well.

Rise Above Ambient Temp. (c)
Mfg. Model 27mm large copper block 27mm large copper block



1 AVC 117140 15.2 27.8
2 Coolermaster IHC-H71 14.0 28.1
3 Arkua 8568 15.4 29.3
4 NengTyi XPC5000 14.6 30.1
5 Zalman CNPS6500-AlCu 17.2 34.3
6 Vantec GSN-7025 19.2 36.0
7 chauh Choung DTA-478 19.7 36.6
8 Intel Socket 478 19.4 37.4
9 Titan TTC-MT3AB 18.7 38.4
10 Dynatron DC1206BM-S 20.8 39.6
11 AVC 117160 20.3 39.8
12 Cho-Liang CL-CB00881 18.2 41.4
13 Cho-Liang CL-CB0094-1A 16.3 44.7
14 Dynatron DC1206BMV 22.0 45.1
15 Vantec GSN-7105 25.1 46.6



The results are so close between the AVC and Coolermaster heatsinks that they are just about equal. It is interesting to note that the temperatures on the 50W heat source are better for the Coolermaster heatsink, but then slightly less on the 100W test.

One possible explanation may be that the heatpipes were working best at 50W, but then were pushed past their ideal operating temperature on the 100W test. Not knowing the exact specs for the heatpipes it is difficult to say for sure, but it is easy to see that the Coolermaster IHC-H71 is a very good performer, and much better than the stock Intel heatsink.

With the twin heatpipes, copper construction and speedy fan the Coolermaster IHC-H71 is a heatsink to watch out for. Coolermaster have done it again and we are glad we had a chance to test out a Pentium 4 heatsink that keeps the performance bar up high.

Although the base finish is lower than what you may expect to see on a AMD targeted heatsink, it is not too bad for those heatspreader toped Pentium 4 processors. More importantly, when we tested the base with an engineers straight edge we could see just how flat the base actually was. Over the center, where the heatsink makes contact with the processor flatness was very good.

Overall, this is an easily recommended heatsink for anyone looking to add an extra bit of cooling power to their socket m478 Pentium 4 processor, just keep in mind that you will also be adding a few decibels of noise along with it.

 Previous Page ° Heat Sink Review Index  

Table of Contents:

 1:  Cooler Master IHC-H71 Copper Pentium 4 Heatsink
 2:  Close up look at the heatsin
 3:  Heatsink Test Parameters
 4:  Acoustic Test Results
 5: — Thermal test results

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