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  • Noctua Ultra Silent 140mm Fan NF-P14 FLX (Brown)
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Noctua Ultra Silent 140mm Fan NF-P14 FLX (Brown)

by Noctua

List Price: $39.99
Price: $19.99 & FREE Shipping on orders over $35. Details
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Sold by Amamax (USA Seller) and Fulfilled by Amazon. Gift-wrap available.
  • Providing 1200, 900 and 750 rpm speed settings the supplied Low-Noise, Ultra-Low-Noise Adapters, the NF-P14 FLX can be fine-tuned for superior airflow
  • The latest version of Noctua advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises.
  • Metal reinforcements, SCD2 technology and Noctua premium grade SSO-Bearing guarantee exceptional running smoothness and excellent long-term stability
9 new from $16.98

Frequently Bought Together

Noctua Ultra Silent 140mm Fan NF-P14 FLX (Brown) + Noctua NF-F12 PWM Cooling Fan + Arctic Silver 5 Thermal Compound 3.5 Grams
Price for all three: $51.80

Buy the selected items together


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Technical Details

  • Brand Name: Noctua
  • Model: NF-P14-FLX
  • Color Name: Brown
  • Warranty: 1yr/Parts & Labor

Product Details

  • Product Dimensions: 5.5 x 1 x 5.5 inches
  • Shipping Weight: 9.6 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B002XISTXM
  • Item model number: NF-P14-FLX
  • Average Customer Review: 4.6 out of 5 stars  See all reviews (35 customer reviews)
  • Date first available at Amazon.com: November 9, 2009

Product Description

The Noctua NF-P14 FLX follows in the footsteps of the successful NF-P12, the NF-P14 is a highly optimised, premium quality 140mm fan with Vortex-Control Notches for superb quietness and outstanding aerodynamic efficiency. Metal reinforcements, SCD2 technology and Noctua premium grade SSO-Bearing guarantee exceptional running smoothness and excellent long-term stability. Using the same hole-spacing as common 120mm fans and achieving a superior airflow/noise ratio, the NF-P14 is ideal for upgrading 120mm CPU or case fans. At an impeller diameter of almost 140mm, it is critical to avoid unbalance due to the bigger rotating masses. In order to guarantee the highest possible degree of manufacturing precision, minimum tolerance and excellent long-term stability, the NF-P14 employs high precision CNC milled brass parts to reinforce the motor hub as well as a bearing shell made entirely from brass. Using a round frame with the same hole-spacing as common 120mm fans and producing more airflow due to its larger diameter, the NF-P14 is a perfect upgrade for 120mm CPU or case fans. Thanks to the supplied adaptors, the NF-P14 also fits common 140mm mounting holes. Providing 1200, 900 and 750 rpm speed settings via the supplied Low-Noise and Ultra-Low-Noise Adapters, the NF-P14 FLX (Flexibility) can be fine-tuned for superior airflow or maximum quietness. The latest version of Noctua advanced SCD drive system ensures superb running smoothness by eliminating torque variations and switching noises.

Customer Questions & Answers

Customer Reviews

Finally, the size is perfect and they fit into the space of a 120mm fan if those are the holes that your case has.
Pyrohmstr
It's a company signature thing and from the way these products perform, I consider the color to be a sure sign of a builder who knows what he's doing.
T. A. Jones
I was so happy with how quiet this cooler was and how much air these fans moved for the minimal amount of noise they produced.
MilesS

Most Helpful Customer Reviews

14 of 14 people found the following review helpful By Mollip on December 21, 2011
Verified Purchase
First, the bad: At least with my particular Noctua, the 140mm fan does not like to run vertically. Even at full speed it struggles to start. I have adapted to this and just use it for horizontal applications, but the option to mount it vertical would be nice. Hence the one star removed.

Where Noctua's really shine is not just the low noise, but the amount of pressure they emit. Hold your hand an inch away from the noctua vs another fan running at similar speed/noise, and you can feel the "thickness" of the air coming from the Noctua. Yes there are other fans out there that advertise better air pressure and similar sound levels, but they are often even more expensive than the Noc.

Another place this product shines is the included voltage resistors for customizing the fan's speed. FYI, because mine did not say it anywhere on the box: BLUE= U.L.N, BLACK=L.N. In other words, blue is the quietest/slowest. I find that the Black regulator is the best compromise of speed and noise, being not much louder than the ULN, but much quieter than full speed. My guess is the BLUE is 5v, the BLACK is 7V and it runs at 12V without either.

But here's the real benefit: you can use the spare regulator on one of your other non-noctua fans. I used the spare BLUE regulator on a rather loud 140mm fan I had in my case.

The Noctua 140mm's normal holes actually line up with a 120mm fan spot. It comes with adaptors to mount it to a 140mm. Not many cases have 120mm spots that double as 140mm, but some do, in which case the Noctua works out well. Check your case (especially the rear vent) to see if it has an extra set of holes in a slightly larger pattern than the regular ones. I've always felt that 120mm for a rear fan is just a bit too small, since often it is a case's primary exaust.
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9 of 9 people found the following review helpful By Alvaro _Cal on May 12, 2010
Verified Purchase
At full speed this fan is definitely not noiseless but moves quite a bit of air. I have had to lower it to about to 600 RPM for it to be completely quiet. However at such low speed the airflow is too little.
Still, the airflow/noise combination is pretty good, you just have to control the fan efficiently and adapt it to your needs.
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7 of 7 people found the following review helpful By arodonn on September 8, 2011
Verified Purchase
I needed a fan to cool my receiver due to the small cabinet that I needed to put it in. I bought this fan based on the positive reviews that it received. I had it running at full speed but I could just barely hear it if I was laying on the floor by the cabinet. I set it to the medium speed and I cannot hear it at all now and it keeps may receiver and other electronics very cool. I was going to buy a fan kit online to cool my electronics but I found that most of the fans were more than I wanted to pay or really cheap with a noisy fan. I bought a 12v power supply from my local second hand store, I had to dig through the bin of "cell phone chargers", but it was only $3. I cut the cord and spliced into the fans wiring harness, there are only two wires, and then I plugged it into the switched outlet on the back of my receiver. When I turn on the receiver the fan comes on. I cut a hole in the back of my cabinet right behind the receiver. I used the supplied screws to secure it in place and, well, it works great. This project took a little skill but not much, after all I did it. An even easier way to go would be to just lay the fan on top of the receiver.
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14 of 17 people found the following review helpful By T. A. Jones on February 24, 2011
Verified Purchase
Why do people complain about the color of these fans? It's a company signature thing and from the way these products perform, I consider the color to be a sure sign of a builder who knows what he's doing. All of Noctua's products are absolutely superior. This fan, like all other Noctua fans, is extremely silent and moves big air. The cool thing about this big daddy is that it is a 140mm fan that mounts in a 120mm place. Big air, no noise. I have no doubt that this fan will outlast the case it's installed in.

If you don't care about the stupid color of a computer case fan and don't need a cooling product that doubles as a LASER light show, this equipment is the obvious pro move.
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5 of 5 people found the following review helpful By Maxwell Johnson VINE VOICE on January 20, 2012
Verified Purchase
I purchased this fan to provide supplementary airflow through the case of my overclocked computer. Noctua is a bit more expensive than competing fans but, in my view, is well worth the additional few dollars.

The materials and build quality of the fan and mounting are excellent. This review refers to the 140mm diameter fan. Noctura also sells a 120mm fan that is virtually identical except for size.

There is nothing shabby about this product. It ships with both screws and soft rubber suspension mounts. I was a bit dubious about the rubber mounts, wondered if they would remain securely in place or pop loose from the fan case. I can report that once attached, they are not going to come loose accidentally yet can be removed and reused if desired.

The fan is extremely quiet, even at full speed. Noctua attributes this to the notches molded into the trailing edges of the blades. Whatever the reason, it doesn't make much noise at all. Speed control is not accomplished on this fan through pulse width modulation, even though most current motherboards provide PWM-controlled fan connectors. Instead, Noctua provides three short connector cables, two of which have in-line resistors to reduce the speed, giving the user a choice of low, medium, or high. At the low speed, the fan is utterly noiseless. At medium, you can hear it if you listen for it. Even on high, it is almost whisper quiet.

This fan is an example of why it pays to spend a little more for quality. Highly recommended.
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