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Amuzuma Fan
Adapter
Date Reviewed: January 25, 2001
Reviewed By: Jason Rabel
Cost: ~$15.00
Companies: Amuzuma
Testing & Temperatures: The
fans were tested on an ABIT KT7A-RAID w/Athlon 1.4GHz @ 1.87v. The board was
placed on an open workbench to keep the ambient temperature controlled and
constant. In the charts of the temperatures below, you may wonder what it means when
it says "top" and "bottom", so here is a quick explanation:
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Top:

An external temp probe is touching the side of the CPU
core for a direct reading.
|
Bottom:

The built in motherboard probe takes a less direct
reading from the bottom side of the CPU.
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| Ambient Temperature: |
| 74.5°F +/- .5°F |
23.6°C +/- .5°C |
Volcano 6Cu+ 1.4GHz @ 1.87v
|
Heat Sink Model |
CPU
Idle
Top |
CPU
Idle Bot. |
CPU
Load
Top |
CPU
Load Bot. |
Fan CFM |
| Stock Fan |
79.7F / 26.5C |
78F / 25.6C |
117.3F / 47.4C |
122F / 50.0C |
38 CFM |
| 80mm Sunon |
81.9F / 27.7C |
80F / 26.7C |
130.3F / 54.6C |
134F / 56.7C |
30 CFM |
| 80mm Thermaltake |
81.3F / 27.4C |
78F / 25.6C |
122.4F / 50.2C |
125F / 51.7C |
46-53 CFM |
| 80mm Delta |
77.0F / 25.0C |
75F / 23.9C |
109.8F / 43.2C |
111F / 43.9C |
80 CFM |
| 92mm NMB |
80.8F / 27.1C |
78F / 25.6C |
122.7F / 50.4C |
125F / 51.7C |
55 CFM |
| 92mm Y.S Tech |
80.4F / 26.9C |
78F / 25.6C |
122.2F / 50.1C |
125F / 51.7C |
66 CFM |
GlobalWin WBK-38 1.4GHz @ 1.87v
|
Heat Sink Model |
CPU
Idle
Top |
CPU
Idle Bot. |
CPU
Load
Top |
CPU
Load Bot. |
Fan CFM |
| Stock Fan |
82.4F / 28.0C |
80F / 26.7C |
118.6F / 48.1C |
125F / 51.7C |
38 CFM |
| 80mm Sunon |
81.0F / 27.2C |
80F / 26.7C |
135.0F / 57.2C |
140F / 60.0C |
30 CFM |
| 80mm Thermaltake |
79.9F / 26.6C |
80F / 26.7C |
124.7F / 51.5C |
131F / 55.0C |
46-53 CFM |
| 80mm Delta |
78.1F / 25.6C |
77F / 25.0C |
111.9F / 44.4C |
118F / 47.8C |
80 CFM |
| 92mm NMB |
80.8F / 27.1C |
78F / 25.6C |
125.1F / 51.7C |
131F / 55.0C |
55 CFM |
| 92mm Y.S Tech |
79.2F / 26.2C |
78F / 25.6C |
124.5F / 51.4C |
131F / 55.0C |
66 CFM |
Graphing the idle and load temperatures from the two heat sinks
above leads to an almost exact match in performance among the various fans. If
more heat sinks were tested I'm sure they would follow the same pattern. As one
can see, the 80CFM 80mm Delta dominated all. More about the temperatures will be
discussed in the conclusion.
Conclusions: First
off, the stock fans for both heat sinks were 60mm 38CFM models, which everyone
knows how loud they can be. When I was testing I thought some of the higher CFM
rated fans would perform better, but they were barely able to keep up! What I
forgot to take into consideration is that the small increase in CFM from the
fans I chose have a larger area that they must blow air on. I guess you could
say that the air stream is less focused on the heat sink when you put a larger
fan on a heat sink that was designed for a smaller fan. The 80mm Delta fan
overcame this problem by pushing a monstrous 80CFM of air on the heat sink and
surrounding areas. Delta also makes a 92mm fan that pushed 110CFM of air which I
would gamble could do an even better job of cooling, if you can locate a place
that sells it. Besides the stock 60mm and the 80mm Delta fans,
the rest of the pack are near silent. This to me is the greatest advantage of
the fan adapter, having the silence. Unfortunately during testing the
Thermaltake fan wasn't reaching its peak CFM so it might of been able to lower
the CPU temp by a degree or two, however when it does reach max speed the fan is
pretty noisy. With that being said, if I was going for all out
performance, then I would have to choose 80mm Delta fan which gave about a 7F
drop in temperature over the stock fan for about the same noise level. However
if I was going for a quieter angle, then the 92mm Y.S. Tech would be my first
choice. The great thing about the Amuzuma fan adapter, is that if
I want to change to a smaller or larger fan at a later time, I don't have to buy
a new fan adapter, I can simply swap out fans and adjust the mounting risers if
need be. Lastly, I would like to thank Amuzuma
for sending the fan adapter to review, and also Heatsink
Factory for sending some of the fans to use for testing the adapter. You can
find where to purchase this adapter from the Amuzuma
website, along with more information about the product. One of
the first stores that has the fan adapter in stock is Sidewinder
Computers so head on over there and check them out!.
Pros:
More Versatile Than Other Fan Adapters
Easy To Attach To / Remove From Existing Heat Sink
Slim Design Virtually Eliminates Clearance Problems That Some
"Funnel" Style Adapters Have
Non-Restrictive Design Allows Maximum Fan Performance
Can Decrease Noise Level Significantly
Cons:
Need Very Powerful Fan For Best Performance
Rating:
For The Average User: 7 / 10
For The Hardcore Gamer: 9 / 10
For The Extreme Overclocker: 9 / 10
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