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Case, Power Supply, Fan Reviews
  Product:     AcoustiFan Noiseless & DustPROOF 80mm Fans  
  Price:     $33 (CAN) / $28 (U.S) 
  Supplied By:     QuietPC
  Author:     Hi-TEK
  Date:     August 17th, 2005
  Rating:     star star star star star star star

MODTHEBOX would like to thank Dave from QuietPC for sending the AcoustiFan Noiseless & DustPROOF 80mm Fans for review.

AcoustiFan Noiseless & DustPROOF 80mm Fans

Introduction:

A majority of computer enthusiasts employ air cooling to keep case temperatures down. Fans are hands down the most cost effective method of removing unwanted heat, providing system stability and longevity to the average user. In the past year there has been a new market segment created to cater to silent application cooling. Silent application cooling involves components specifically designed for low noise levels and performance. QuietPC based out of Chicago Park, California is a company that specializes in finding, testing and providing the best quiet computer hardware from around the world. The company has recently introduced a series of new cooling fans marketed under the AcoustiFan brand name. Today in the MTB Labs, we will be evaluating the 80mm versions of the AcoustiFan Noiseless & DustPROOF Fans.

Specifications:

QuietPC offers the AcoustiFan case fans in 60mm, 70mm, 80mm, 92mm and 120mm sizes. Features common to all five fans are a rated voltage of 12 volts, double ball bearings, and smart RPM monitoring capability. Here are some of the specifications taken directly from the QuietPC website:

AcoustiFan Noiseless & DustPROOF 80mm Fans - Key Specifications:
AcoustiFan Noiseless & DustPROOF 80mm Fans: Manufactured by QuietPC
Ultra-quiet operation
Premium build quality (you need to feel the quality of these fans!)
Triple speed (using the '3-speed' fan cable accessory)
Sealed fan motor for dust-free operation & reduced noise
Multiple application (can be used for CPU/GPU or case cooling)
RPM-monitoring enabled
Reliable with a long life expectancy (over 6yrs @ 25C!)
Start at lower voltages for near silent operation (min. 5VDC)
Unique rear 'acoustic' badge for added noise reduction
3-pin & 4-pin compatible (with 3-speed fan accessory cable)

Product Code (AFDP - )
6025B
7025B
8025B
9225B
12025B
Fan Dimensions mm
60x60x25
70x70x25
80x80x25
92x92x25
120x120x25
Fan Start at 5V DC?
Yes
Connector Type
3-pin (from m'board), OR 4-pin (from PSU)
using 3-Speed Fan Cable
Life Expectancy (at 25°C)
60,000hrs (6.85yrs)
Included Accessories
3-Speed Fan Cable, 4 x Tie Wraps & 4 x Screws
Full Speed (12VDC)
Air Volume Throughput CFM ±10%
13.7
21.9
19.9
28.0
56.3
Acoustic Performance (DIN45635 @1m) dBA
16.9
20.0
15.6
22.0
24.7
Fan Speed RPM** ±10%
2,700
2,500
1,600
1,600
1,500
Medium Speed (approx. 7.5VDC)
Air Volume Throughput CFM ±10%
9.4
14.0
11.7
17.4
41.5
Acoustic Performance (DIN45635 @1m) dBA
<10*
10.5
<10*
<10*
15.6
Fan Speed RPM** ±10%
1,850
1,750
1,000
950
1,050
Low Speed (5VDC)
Air Volume Throughput CFM ±10%
5.9
9.1
5.7
10.1
25.2
Acoustic Performance (DIN45635 @1m) dBA
<10*
<10*
<10*
<10*
<10*
Fan Speed RPM** ±10%
1,250
1,150
500
550
675
 
Fan Housing Material
Black Glass Filled PBT
Fan Weight g
68
72
86
101
156
Packaged Weight g
102
109
127
151
225
Connector Wire Length
40cm +/-10%
Operating Temperature Range
(-)10 - (+)70°C
Motor Bearing Type
Double Ball Bearing
Operational Voltage
5 - 12 VDC
Rated Current A (at 12VDC)
0.08
0.08
0.08
0.07
0.13
Rated Power W (at 12VDC)
0.96
0.96
1.44
2.16
2.16
Fan Safety Approval
CE (Electromagnetic Compatibility
EN 6100-6-3 & 6100-6-1:2001)
Motor Protection
Polarity Protection
Locked Rotor Protection
Auto Restart***

NOTES:
* Where noise levels have been measured & calculated @1m distance below 10dBA we have quoted <10dBA. Very low noise levels,
are taken at 0.3m distance and extrapolated to 1m, so that recorded levels are significantly above test chamber background noise levels.
** The quoted RPM for an individual fan may vary slightly by as much as 10% (figures shown are averages from multiple tests).
A variation in RPM at a given voltage will result in a change in airflow and noise levels.
*** Auto-restart is a safety feature build into the fan's PCB that automatically restarts the fan after the release
of a constraint that has prevented the blades from spinning.

AcoustiFan Noiseless & DustPROOF 80mm Fans
Click image for larger view
AcoustiFan Noiseless & DustPROOF 80mm Fans
Click image for larger view
 

The AcoustiFan Noiseless & DustPROOF 80mm Fans arrived in standard retail packaging with AcoustiFan logo and product specifications located on the front. The premise behind these fans is silent performance for use with a wide variety of applications which include CPU, GPU and case cooling. By employing a double ball bearing system, QuitePC also provides a lifetime warranty that covers 60,000 hours or 6.85yrs at 25C.

AcoustiFan Noiseless & DustPROOF 80mm Fans
Click image for larger view
AcoustiFan Noiseless & DustPROOF 80mm Fans
Click image for larger view
 
Out of the packaging, there is nothing aesthetically pleasing about the AcoustiFan Noiseless & DustPROOF 80mm Fans. The appearance of the AcoustiFan rivals every other stock 80mm cooling fan currently on the market. The main difference that separates that AcoustiFan from your average 80mm stock cooling fan is the area centering on the main fan motor. On most stock fans when you flip a fan on its rear side chances are you will be able to see a portion of the fan motor exposed. The AcoustiFan seals the fan motor area for dust-free operation and reduced noise. The blades have also been treated with a special coating that will assist with preventing dust accumulation. Attached to the base of the fan is a 3-pin fan header that includes wire leads for 12V (red), ground (black) and RPM sensing (white).
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