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JMC Arctic Blast 400023 Heatsink Review
JMC Arctic Blast 400023 Heatsink Review
  73%   
Abstract: The Arctic Blast heatsink we are looking at today is rated for just an Athlon XP of up to 1.53GHz (PIII CuMine to 1.1GHz).

 Company link  Category  Published  Author 
JMC Products   Cooling / Heatsinks   Mar 24, 2002   Max Page  
Home > Reviews > Page Title: Thermal and Acoustic Results

Acoustic Samples: Listen to this Heatsink!

The waveform image shown below is out of scale for the level of noise the JMC Arctic Blast was measured to create (46.6 dB). We are still refining the process so listen to the heatsink and hear for yourself what this heatsink actually sounds like. Just click on the headphones and listen to the MP3 recording.

FrostyTech Acoustic Sampling Chamber

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

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.

FrostyTech Sound Level Results
- Manufacturer Model Noise Level Scale
JMC Prducts 400023 46.6 dB quiet
Zalman All Flower HSF 47.4/28.9 dB
Taisol CGK760092 48.4 dB
GlacialTech Igloo 2310 49.4 dB
Noisecontrol Silverado 50.8 dB
Thermal Integration TI-V77L 53.0 dB
Tocools Crown 54.5 dB
Sibak AT01515B 55.8 dB
Dynatron DC1206BMP 65.1 dB louder

The fan which at first seemed rather simple turns out to be one of the quieter cooling solutions we have looked at. The sound level of 46.6 dB is pretty low for a the heatsinks we have looked at and even slightly lower than the Zalman heatsink.

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

FrostyTech Synthetic Temperature Test Platform Results
Mfg. Model Ambient Temp. 27mm large copper block 15mm small copper block 27mm large copper block 15mm small copper block Thermal pad No. Fans Fan Noise Clip force
50W 50W 100W 100W
1 Thermal Integration TI-V77L 26.5 39.1 44.4 57.5 63.6 grey 1 med med
2 Swiftech MCXC370 21.4 38.3 43.4 53.5 65.7 none 1 med med
3 Tocools Crown 23.2 38.8 53.2 47.9 70.2 none 1 loud stiff
4 OCZ Gladiator 21.4 33.3 47.3 50.6 70.3 none 1 very loud med
5 Vantec CCK-6027D 27.4 45.4 49.6 64.9 73.4 none 1 med med
6 Swiftech MCX370 22.3 42.0 46.1 60.3 75.6 none 1 med hard
7 Taisol CGK760092 23.4 42.7 61.2 51.3 77.5 pink 1 low med
8 Zalman CNPS6000-Cu 24.8 46.4 53.8 65.6 78.2 none 1 very low easy
9 AVC 112AM1 24.8 46.6 52.9 70.1 79.6 none 1 low stiff
10 GlacialTech Igloo 2310 23.5 44.9 66.7 53.7 80.8 silver 1 med very stiff
11 Thermaltake Volcano 6cu+ 26.5 40.3 55.3 58.6 84.4 carbon 1 loud med
12 JMC Products 400023 23.1 44.5 65.2 55.3 85.2 Chomerics T725 1 low easy
13 Zalman CNPS6000AlCu 24.9 48.3 56.3 72.2 86.0 none 1 low med
14 Sibak AT01515B 23.0 45.1 64.6 60.1 95.2 none 2 med stiff
50W 50W 100W 100W

The JMC Arctic Blast is evidently a heatsink designed for older processors, and as we assumed, not part of a performance cooling line up. JMC list the Arctic Blast as useful for AMD processor of up to about 1.5GHz and that seems about right. The low noise levels are a plus, but can usually indicate the airflow is nothing special either.

Rise Above Ambient Temp. (c)
Mfg. Model 27mm large copper block 15mm small copper block 27mm large copper block 15mm small copper block
50W 50W 100W 100W
1 Thermal Integration TI-V77L 12.6 17.9 31.0 37.1
2 Swiftech MCXC370 16.9 22.0 32.1 44.3
3 Vantec CCK-6027D 18.0 22.2 37.5 46.0
4 Tocools Crown 15.6 30.0 24.7 47.0
5 OCZ Gladiator 12.0 26.0 29.2 49.0
6 Swiftech MCX370 19.7 23.8 38.0 53.3
7 Zalman CNPS6000-Cu 21.6 29.0 40.8 53.4
8 Taisol CGK760092 19.3 37.8 27.9 54.1
9 AVC 112AM1 21.8 28.1 45.3 54.8
10 GlacialTech Igloo 2310 21.4 43.2 30.2 57.3
11 Thermaltake Volcano 6cu+ 13.8 28.8 32.1 57.9
12 Zalman CNPS6000AlCu 23.4 31.4 47.3 61.1
13 JMC Products 400023 21.3 42.0 32.1 62.0
14 Sibak AT01515B 22.1 41.6 37.1 72.2
50W 50W 100W 100W

Looking at the rise above ambient numbers we can see that the JMC Arctic Blast doesn't really pull in any performance level cooling numbers, and instead sits squarely in the class of OEM coolers.

On the small interface die at 100W the Arctic Blast ranks at the bottom of our list of reference coolers, which are not I might add, ranked according to specific types of processors. As always, we rank heatsinks according to their thermal performance.

The best ally of the Arctic Blast is undoubtedly going to be price, and while it will be able to handle older AMD processors, it really has no future with current chips. Perhaps a more powerful fan could be added which would change this somewhat, but limited to a simple aluminum extrusion there is only so much further this heatsink can be pushed.

On a positive side, the very thin fins are a welcome sight that would probably be good to carry further to future designs, and the low noise signature is admirable for a socket A/370 heatsink. Too bad the thermal performance on the small interface die isn't as endearing as that of the large interface die which does pretty well at 100W.



 Previous Page °
Heat Sink Review Index  

Table of Contents:

 1:  JMC Arctic Blast 400023 Heatsink Review
 2:  Time for a close look at this heatsink
 3:  New Heatsink Test Parameters
 4: — Thermal and Acoustic Results

List all JMC Products heat sinks that Frostytech tested?

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