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Fractal Design Silent Series 40mm Ultra Quiet Cooling Fan 4000RPM 3.8CFM 13DBA w/ Metal Screws

This product can only be exchanged or replaced with the exact same item.
Fractal Design Silent Series 40mm Ultra Quiet Cooling Fan 4000RPM 3.8CFM 13DBA w/ Metal Screws - 1
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Fractal Design Silent Series 40mm Ultra Quiet Cooling Fan 4000RPM 3.8CFM 13DBA w/ Metal Screws - 58476_l.jpg Customer Photos (0)
Fractal Design
Reg. Price: $6.49  CAD
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   Shipping Weight:   0.1 lbs
   Part #: FD-FAN-40

Features    [ Edit | History ]

Specifications    [ Edit | History ]


Fractal Design "Silent Series" is a full range of silent case fans. The fans has been specifically developed to deliver sufficient airflow and still keep a low noise level. Available in sizes from 40mm up to 140mm.

Delivered with 4pcs of metal screws. The electrical cable is covered with textile, to make it easier to work with.


  • Dimensions: 40 x 40 x 10mm
  • RPM: 4000 +/- 10% RPM
  • Noise: 13 dBA
  • Airflow: 3,8 CFM, 6 m³/h
  • Connection: 3-pin
  • Power: 0.72 W +/- 15%
  • 4pcs metal screws included
  • Textile covered electrical cable

Additional information

  • Delivered in retail package with EAN-code printed on it.
  • EAN/GTIN-13: 7350041080091
  • Product code: FD-FAN-40
  • Box quantity: 120pcs
  • EU Customs ID: 8414592090

Fractal Design FD-FAN-40 Customer Reviews

Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding Fractal Design FD-FAN-40 reviews.
Experience: 90 Days
great quality and looks
pricematch available
well made,quiet and easy to install. nice black braided cable with yucky white connecter

Experience: 7 Days
 Verified Owner
Works as advertised
would be nice if it had a 4 pin adapter but not a big deal
Got this fan to replace a northbridge motherboard fan that was the loudest fan in my PC. It is amazing how much noise the wrong 40mm fan can make. This fan has reduced a major irritant for me!

Experience: 1 Days
 Verified Owner
* 3 pin connector
* has tachometer sensor
* air flow noise ok, mechanical noise high
I bought two of these fans to replace the high volume (and high noise) fans in a Netgear FSM7352S IP switch. The switch was designed to go in to a server room or equipment closet environment, but I wanted to use it in my home office.

In open air (unmounted), the fans were relatively quiet, but when I mounted them in the Netgear switch there was a noticeable 70Hz mechanical hum/vibration transferred from the fan body to the switch chassis. Depending on how the fans are used, this may or may not be an issue. With my use, I didn't end-up getting the Netgear switch much quieter - just changed the nature of the noise.

Also, when mounting them in the chassis, I found that the construction of the fan to be quite flimsy. When I applied any kind of torque on the fan screws, the body of the fan would twist, causing the fan blade to touch against the body.

Experience: 6 Months
 Verified Owner
Cools OK for its size
NOT Silent
I got this little fan for a little bit of extra cooling in my mini pc which I'm using as my router. It does do decent cooling but it most definitely is not silent when running at full speed, it produces a very audible high pitch sound when running at full speed.

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