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AcoustiFan DustPROOF Fans are manufactured
and supplied direct exclusively by 
Quiet PC LLP, telephone +44 (0)1653 668000.
Acousti Products Ltd promotes this product for and on behalf of Quiet PC LLP, which has sole responsibility for its manufacture, supply and delivery.
USA & Canada Distributor: Quiet PC USA
UK & Global Distributor: QuietPC.com
Quick Links Features & Benefits- Ultra-quiet operation
- 4 FREE Ultra Soft Fan Mounts
- 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 @ 25°C!)
- 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)
3 Speed Fan CableThe 3-speed fan cable has been included to give the installer maximum flexibility in terms of how the fan is connected inside the PC, and at what speed (therefore noise level) it is operated.
Where can I buy AcoustiFan™ DustPROOF Quiet PC Fans?
NORTH AMERICA
USA & Canada 
(Distributed by QuietPC USA)
AcoustiFan DustPROOF™ Series
Models: Retail 60-120mm (all 25mm thick)
AFDP-6025B, AFDP-7025B, AFDP-8025B, AFDP-9225B & AFDP-12025B
A NEW range of premium quality, ultra-quiet dust-tolerant multi-application
cooling fans for PCs. These fans have been designed to be
quiet and stay quiet! They also come with a 3-speed
fan cable accessory providing a choice of 3 speeds &
4-pin connectivity. No harmful dust ingress means that dust stays
out of the motor, bearings and fan circuitry to help keep the fan
quiet, cool and prolong it's lifetime. Plus 
added bonus - 4 FREE Ultra Soft Fan Mounts.
Above: 120mm AcoustiFan DustPROOF™ ultra quiet fan (Black) shown with fan accessories. Each AcoustiFan DustPROOF™ fan is supplied with 4x FREE ultra soft fan mounts, 1x triple-speed fan cable,4 x tie wraps (useful!) and 4 x fan mounting screws.
DustPROOF Series Technical Specifications
We are committed to publishing accurate and truthful noise level data - taken directly from acoustic testing reports to recognized International Test Standards. At 1m distance in the average home/office environment noise levels below 10dBA will be difficult to discern above normal background noise levels.
| 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 |
0.96 |
0.84 |
1.56 |
| Fan Safety Approval | CE
(Electromagnetic Compatibility EN 6100-6-3 & 6100-6-1:2001) |
||||
| Motor Protection | Polarity
Protection Locked Rotor Protection Auto Restart*** |
||||
NOTES: ** 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. |
|||||
Important Recommendations & Disclaimer
Adequate airflow is essential in the majority of computer systems. We recommend that system and component temperatures are tested and monitored carefully after the installation of our fan products (see our FAQs section for more information regarding monitoring system and component temperatures). We also recommend that the cooling system in a computer is designed to over-compensate slightly for necessary cooling, therefore building in a safety margin should a particular element (like a single fan) fail.
The design of an adequate computer cooling system is the responsibility of the system builder. Acousti Products do not accept any liability for component or system failure, or any associated data loss whatsoever due to over-heating or inadequate cooling. If you feel that you are not sufficiently qualified to modify an existing system, then seek expert advice and technical support from a qualified engineer. We recommend that system and component temperatures are tested and monitored after installation.
AcoustiFan™ DustPROOF Reviews
[AcoustiFan DustPROOF™ 80mm] "You're not
paying for bling, you're paying for silence and longevity
of usage... The AcoustiFan DustPROOF™ Ultra Quiet Low
Vibration Cooling Fan receives a Gold Award (yes, silence
is golden) and an Editors Choice Award."
"After
taking everything into consideration, the AcoustiFan DustPROOF™
series is a pretty good buy. Keeping with the AcoustiFan legacy
of dead silent performance, the DustPROOF fans life expectancy
has been extended with the seal as well as dampening sound
from the internal components even further. Silence comes at
a price, each fan doesn't push as many CFMs as other fans.
But with a proper fan configuration in your case cooling shouldn't
be a problem.
"We recommend this fan to everyone who needs to replace
that noisy, rattling fan, wants a quieter PC, and expects
their fans to serve your PC for at least a system upgrade
or two, if not longer." GOLD Award & Editors
Choice
[read
the full review]
by t0rc at Moditory.com - 
[AcoustiFan DustPROOF™ 120mm] "Easily the
quietest I've tested (and I've seen and heard everything from
Antecs to Sunons, YSTechs, Panaflos and even Radio Shack howlers).
Up to this point, the Panaflo has been my favorite for noise,
but this fan is much quieter."
"Slowing a fan to lower its noise output is standard practice among modders, and it's nice to see that AcoustiFan has made this a plug-and-play affair.
" ...it needs to be used in a case where the airflow has been well thought-out and it shouldn't be relied upon to cool the entire case by itself. Use common sense. A non-overclocked machine running within specs should be just fine if everything has been well-designed for airflow and cooling.
"At 12 volts, there was a barely noticeable hum, and
I mean barely noticeable. At 7.5 Volts, the hum disappeared,
and at 5 volts I held the fan right up next to my ear and
I couldn't hear it... The Acoustifan ultra-quiet [DustPROOF™]
fan is indeed very quiet, the quietest I've ever (not) heard."
[read
the full review]
by Cliff Anderson at Virtual-Hideout.net -
[AcoustiFan DustPROOF™ 80mm & 120mm] "[Acousti
Products'] AcoustiFan DustPROOF™ fans are incredibly
quiet. With the ability to protect the motor from dust, they
will certainly last longer, possibly making them worth the
expense."
"We all know that dust increases a fan's noise over time. Put that new quiet fan in, and a couple of months later it is a little louder than it used to be. That is why [Acousti Products] has developed a dust free fan... Both [fans] are incredibly quiet when running in full mode, though, the 120mm does have a light hum to it when running at full speed. You have to be within a couple of feet of it to hear this hum... On the mid and low settings, I could not hear any fan noise. There was very little wind noise as well. Neither fan puts out a lot of volume; therefore, if you need strong airflow, these might not be the fans for you... AcoustiFan's No Dust fans are incredibly quiet. With the ability to protect the motor from dust, they will certainly last longer, possibly making them worth the expense.
Pros: Extremely quiet, Keeps dust out of
motor, Long warranty, Comes with cables to control speed
Cons: Cables are not convenient when wanting
to switch speeds, Expensive
Rating: Very Good"
[read
the full review]
by A True Review.com - 
[AcoustiFan DustPROOF™ 80mm & 120mm] "After
firing the PC up, I had to check to make sure the fans were
running at all."
"The
fans felt solid and heavy compared to the stock fans I am
replacing. AcoustiFan has designed these fans to last. The
DustPROOF™ construction means the fan is designed to
keep harmful dust out of the motor, effectively keeping the
motor quiet and prolonging its life...
The fans were inaudible over the system even at full load.
I was initially concerned about a noticeable drop in airflow,
but the total CFM reduction was not measurable in system temperature...
Although these little guys are not cheap, if you are tired
of the constant droning, give these a whirl." Overall
Rating: 9.5/10
[read
the full review]
by Darren at ClubOverclocker.com - 
[AcoustiFan DustPROOF™ 80mm & 120mm] "As
far as performance, the DustPROOF™ fans I used both
provided ample air flow, and without a doubt were much quieter
than my cases stock fans."
"Even when compared to the quietest Panaflo low flow
fans, the DustPROOF fans look really attractive. Couple this
with a 3 speed adjuster, as well as a 6yr expected lifespan
and I believe these fans are a good choice for anyone looking
for the quietest fans possible for their system."
[read
the full review]
by Rich Caporali at Legit Reviews - 
[AcoustiFan DustPROOF™ 80mm & 120mm] "If
you are looking for fans to get a quiet computer, then this
is what you have been looking for, and for those of you who
are looking for fans that transport a lot of air, then look
no further."
"The most impressive thing with these fans is the DustPROOF
feature. This solution protects the fan engine from dust and
also filters away noise from the engine. It's almost impossible
to find anything to complain about, except the price. Besides
this all we can say is that these fans are top notch quality
and the performance compared to the sound level is nothing
less than excellent!"
[read
the full review]
by 64bits.se (quote translated into English!)
- 
[Review
of Fan Gasket, Ultra-Soft Fan Mounts and AcoustiFan DustPROOF™]
In this Mad Shrimps "120mm Fan Round Up"
review the AcoustiFan performed very favourably against Papst,
Artic Fan, Titan and Antec quiet PC fans - with the added
unique feature that the AcoustiFan™ is dustproof. [See
"120mm Fan Round Up" test results]
jmke, Mad Shrimps - 
AcoustiFan™ DustPROOF Customer Feedback
"Without a doubt the best system fan I have come across.
I have 2 of these babys in my media centre, they work silently
and effectively. Hats off to you guys." Paul,
UK.
"I have 2 of these fans running quite well on a Zalman ZM-MFC1 controller 5-10.5Volt range. They work fine and produce very little noise." Steve, UK.
"As for the noise level, the overall project [Jonathan made a 'computer kennel' for his PC!] has made a big difference. I can now sit at my desk and hear low-level sounds on my monitor speakers, as well as recording acoustic instruments in the same room. The fan is supremely quiet. It begs the question why computer manufacturers don't use them in the first place." Jonathan, UK [AFDP-12025B with Silicone Fan Gasket]
"Excellent - totally quiet. I have highly recommended this company to my friends, it is excellent." Robert, UK.
"Perfect don't change a thing." Jennifer, Canada.
"These fans live up to their expectations and I plan on acquiring more of them in the near future. I used to have to talk over my computer, now I have a hard time telling if it's on." Alex, USA.
"I have purchased one of these as my room is really dusty and it really works well." Robert, UK.
"Added it to my old Antec case. Works great." Dennis, USA.
"I bought this fan earlier this month to improve airflow in the silent mATX case I had recently built. The purpose was to create a silent and cool PC. I achieved this using two of these 120mm fans and a pair of rubber mounts. I am very happy with them." Alexander, USA.
"It is the quietest fan I have used" Ben, UK.
"Really nice quality, and good airflow. It was so quiet I had to double check that I'd actually plugged it into the motherboard." John, UK.
"Real good fan, the best I have tried yet, silent with good airflow." Christoffer, Sweden.
"This is an excellent fan for case cooling. Even at full speed it is almost inaudible." Giannis, Greece.
"I just installed two AcoustiFans into a very noisy PC that I use as a security monitoring system. The 80mm 8025B with mounting isolators replaced the rear case fan and the 70mm 7025B replaced the CPU fan. The system is so quiet I can hear the disk's heads move. I no longer hear the screaming cheap CPU fan from the next room. Thank you!! The fans were worth the money." Craig, USA.