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Comparables
The CORE92 does very well compared to other 92mm coolers, even the Coolermaster N520, which is equipped
with two fans.
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ZEROtherm CORE92: Comparables
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SPL @1m
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Cooler Master
Hyper N520
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Zalman
CNPS9300
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ZEROtherm
CORE92
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dBA
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°C Rise
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37
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14
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34
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9
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30
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17
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17
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25
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18
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23
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19
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21
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23
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20
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12
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19
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22
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16
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19
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15
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29
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14
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29
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At higher fan speeds (generating 20 dBA and higher), the CORE92 easily beats the other two coolers above. It's only at the lowest fan speeds that the Hyper
N520
performance matches that of the Zerotherm.
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Thermal Rise:
ZEROtherm CORE92 vs. Xigmatek HDT-SD964
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Fan Voltage
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HDT-SD964
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CORE92
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12V
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21
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26
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9V
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26
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32
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7V
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31
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40
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Both heatsinks equipped with reference 92mm fan.
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Compared to Xigmatek's 92mm direct-touch heatpipe cooler, the HDT-SD964,
the CORE92 does not fare as well. Using our very quiet, but low airflow reference Nexus 92mm fan, it lost
by 5°C at 12V, 6°C at 9V and 9°C at 7V. The SD964 has four heatpipes
vs. the CORE92's three, though we don't think that was the deciding factor.
The SD964's heatpipes are spaced so far apart that the ones at the edges barely
make contact with the CPU heatspreader.
Most likely, the CORE92's tightly-spaced fins increase airflow resistance so that our reference Nexus fan, with its low airflow, has a tough time pushing
air through it. The embedded fan design doesn't help here, as it increases the
amount of pressure required to pull air in.
MP3 SOUND RECORDINGS
These recordings were made with a high
resolution, lab quality, digital recording system inside SPCR's
own 11 dBA ambient anechoic chamber, then converted to LAME 128kbps
encoded MP3s. We've listened long and hard to ensure there is no audible degradation
from the original WAV files to these MP3s. They represent a quick snapshot of
what we heard during the review.
These recordings are intended to give you an idea of how the product sounds
in actual use — one meter is a reasonable typical distance between a computer
or computer component and your ear. The recording contains stretches of ambient
noise that you can use to judge the relative loudness of the subject. Be aware
that very quiet subjects may not be audible — if we couldn't hear it from
one meter, chances are we couldn't record it either!
The recording starts with 10 second segments of room ambiance, then the fan
at various levels. For the most realistic results, set the volume so that
the starting ambient level is just barely audible, then don't change the volume
setting again.
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