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Noctua NF-A20 PWM, Premium Quiet Fan, 4-Pin (200x30mm, Brown)

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4.8 1,492 ratings

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Purchase options and add-ons

Item Dimensions LxWxH	11.22 x 11.22 x 1.5 inches
Brand	Noctua
Power Connector Type	4-Pin
Voltage	12 Volts
Cooling Method	Air
Compatible Devices	Desktop
Noise Level	18.1 dB
Material	Fibre-glass reinforced PBT
Maximum Rotational Speed	800 RPM
Product Dimensions	7.87"L x 1.18"W x 7.87"H

About this item

Premium quiet fan, 200x200x30 mm, 12V, 4-pin PWM, max. 800 RPM, max. 18.1 dB(A), >150,000 h MTTF
ATTENTION: 200mm diameter (7.8 inches) and a thickness of 30mm (1.18 inches). Please make sure you have sufficient space in your case.
Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance
Large 200mm diameter for high airflow performance at extremely low noise levels, three sets of mounting holes (154x154, 170x170 & 110x180mm)
Includes anti-vibration mounts, fan screws, Low-Noise Adaptor, extension cable and y-cable for running two PWM fans on the same header

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Noctua Cooling Solutions

Noctua's premium cooling components are internationally renowned for their superb quietness, exceptional performance and quality.

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		Noctua NF-A20 PWM chromax.Black.swap, Premium Quiet Fan, 4-Pin (200x30mm, Black)	Noctua NF-A20 FLX, Premium Quiet Fan, 3-Pin (200x30mm, Brown)	Thermaltake 200mm Pure 20 Series Black 200x30mm Thick Quiet High Airflow Case Fan with Anti-Vibration Mounting System Cooling CL-F015-PL20BL-A	Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)	Noctua NF-A20 5V PWM, Premium Quiet Fan with USB Power Adaptor Cable, 4-Pin, 5V Version (200x30mm, Brown)

Customer Rating	(1492)	(412)	(481)	(2378)	(6035)	(234)
Price	$32.95	$36.95	$32.95	$13.99	$32.95	$32.95
Shipping	FREE Shipping. Details	FREE Shipping. Details	FREE Shipping. Details	FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime	FREE Shipping. Details	FREE Shipping. Details
Sold By	Noctua Cooling Solutions	Noctua Cooling Solutions	Noctua Cooling Solutions	Amazon.com	Noctua Cooling Solutions	Noctua Cooling Solutions
Item Dimensions	11.22 x 11.22 x 1.5 inches	7.87 x 7.87 x 1.18 inches	11.22 x 11.22 x 1.5 inches	11.42 x 10.04 x 12.6 inches	4.72 x 4.72 x 0.98 inches	7.87 x 7.87 x 1.18 inches
Item Weight	1.56 lbs	—	1.56 lbs	0.94 lbs	0.79 lbs	7.05 ounces

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Product Description

The NF-A20 is a highly optimised, premium quality quiet 200mm fan. Featuring an AAO (Advanced Acoustic Optimisation) standard frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, the NF-A20 brings the renowned quiet cooling performance of Noctua’s award-winning A-series to the increasingly popular 20cm form factor. The PWM version uses Noctua’s custom designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers, which allows it to strike a perfect balance between quietness and ventilation performance in each given situation. Its superb running smoothness, reference-class SSO2 bearing and Noctua’s trusted premium quality make the NF-A20 an elite choice for the highest demands.

Award-winning Noctua quality in 20cm size

While more and more PC cases support 20cm intake, side-panel or exhaust fans, many of the bundled stock units and available aftermarket options are of questionable quality. By contrast, the NF-A20 is a true premium grade solution worthy of Noctua’s award-winning A-series.

Caution: As there is no fixed industry standard for the shape, thickness or hole spacing of 200mm, 220mm, 230mm or 250mm fans, compatibility can vary from case to case. Please check compatibily before purchase. A case compatibility list can be found on the Noctua website.


Flow Acceleration Channels The NF-A20 impeller features suction side Flow Acceleration Channels. By speeding up the airflow at the crucial outer blade regions, this measure reduces suction side flow separation and thus leads to better efficiency and lower vortex noise.	SSO2 bearing The NF-A20 features the further optimised second generation of Noctua's renowned, time-tested SSO bearing. With SSO2, the rear magnet is placed closer to the axis to provide even better stabilisation, precision and durability.	154mm, 110x180mm and 170mm hole spacing In order to ensure broad compatibility with today’s PC cases, the NF-A20 features three sets of mounting holes: While the 154x154mm and 110x180mm spacing allow it to replace most 200mm fans, the 170x170mm spacing is used by many 230 and 250mm fans, which can thus also be replaced by the NF-A20.	Scope of delivery NA-RC6 Low-Noise Adaptor (L.N.A) NA-YC1 4-pin PWM y-cable NA-EC1 30cm extension cable 4x NA-AV3 anti-vibration mounts 4x NA-AV4 anti-vibration mounts Fan screws

Please Note:

The NF-A20 has a 200mm diameter (7.8 inches), and a thickness of 30mm (1.18 inches). Please make sure you have sufficient space in your case.


	NF-A20 PWM	NF-A20 FLX	NF-A20 5V PWM	NF-A20 5V	NF-A20 PWM chromax.black.swap
Connector	4-pin PWM	3-pin	4-pin PWM	3-pin	4-pin PWM
Voltage	12V	12V	5V	5V	12V
RPM	Max: 800 / Min: 350	800	Max: 800 / Min: 350	800	Max: 800 / Min: 350
RPM with L.N.A.	550	550	-	-	-
Acoustical Noise	18,1 dB(A)	18,1 dB(A)	18,1 dB(A)	18,1 dB(A)	18,1 dB(A)
Acoustical Noise with L.N.A.	10,7 dB(A)	10,7 dB(A)	-	-	-
Size	200x200x30 mm	200x200x30 mm	200x200x30 mm	200x200x30 mm	200x200x30 mm
Colour	Brown & Beige	Brown & Beige	Brown & Beige	Brown & Beige	Black with swappable coloured anti-vibration pads

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Product information

Technical Details

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Other Technical Details

Brand

‎Noctua

Item model number

‎NF-A20 PWM

Item Weight

‎1.55 pounds

Product Dimensions

‎11.22 x 11.22 x 1.5 inches

Item Dimensions LxWxH

‎11.22 x 11.22 x 1.5 inches

Color

‎Brown

Voltage

‎12 Volts

Manufacturer

‎Noctua

Language

‎English

ASIN

‎B071SLFBNY

Is Discontinued By Manufacturer

‎No

Date First Available

‎May 30, 2017

Additional Information

Customer Reviews

4.8 1,492 ratings

4.8 out of 5 stars

Best Sellers Rank

#234 in Computer Case Fans

Warranty & Support

Amazon.com Return Policy:You may return any new computer purchased from Amazon.com that is "dead on arrival," arrives in damaged condition, or is still in unopened boxes, for a full refund within 30 days of purchase. Amazon.com reserves the right to test "dead on arrival" returns and impose a customer fee equal to 15 percent of the product sales price if the customer misrepresents the condition of the product. Any returned computer that is damaged through customer misuse, is missing parts, or is in unsellable condition due to customer tampering will result in the customer being charged a higher restocking fee based on the condition of the product. Amazon.com will not accept returns of any desktop or notebook computer more than 30 days after you receive the shipment. New, used, and refurbished products purchased from Marketplace vendors are subject to the returns policy of the individual vendor.

Product Warranty: For warranty information about this product, please click here

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TJB

Worth the price

Reviewed in the United States on August 1, 2023

Verified Purchase

Very happy using this fan in my computer.
Quite even running at full speed, moves a lot of air.
Well worth the price.

Helpful

Zach

I'm a fan

Reviewed in the United States on February 1, 2023

Verified Purchase

Replaced some Cooler Master fans that came with my H500 case. They weren't bad at all, just they had an issue with wobbling (seems to be a common issue with 200mm fans I hear) and you could ever so slightly hear the slight rubbing of the fan on the plastic shroud it was held in. I dealt with it for like 3 years and finally decided it was time to pony up with these.
These fans are pretty much the only 200mm fan that will fit in the H500, and either you get screws long enough (I was stupid and ordered screws that were still too short lol) or use the included rubber mounting solution. Took a bit of work but the rubber mounting solution seems to work just fine, and no more rubbing noise.
If you're looking for value - it's not here, but if you're looking for just the best damn fan man can find, Noctua fans are it.

4 people found this helpful

Helpful

M. Lewis

Perfect fit in Thermaltake Core V1

Reviewed in the United States on May 21, 2020

Verified Purchase

This is a perfect drop in replacement for the stock 200 mm fan in the Thermaltake Core V1. No modifications to the case or fan were required.

Performance and Quality. The fan is well built, attractive and performs excellently, as one would expect from Noctua. Even at full speed, the fan is barely audible - much quieter than my stock Intel CPU fan even at idle speeds. As a PWM fan, of course, it doesn't have to run at full speed. I'm normally running it at about 60% and I never even hear it. It effectively cools my system built on an Intel 65W Core i5 running at stock speeds, 16 GB RAM, Samsung 970 Plus M.2 SSD and 2 Samsung 860 SATA SSDs.

Installation: Use the inner set of mounting holes on the Noctua NF-A-20. They align perfectly with the mounting holes used for the stock fan and make it possible to use the original mounting screws that came with the case. The Noctua fan is a hair thicker than the stock fan, potentially bumping it up against the front cover of the case. I removed the rubber vibration dampers from the Noctua fan just to be sure I had sufficient clearance. Absolutely no issues with vibration noise. I mounted the fan so that the wiring passed through front wall of the of the case by the small rectangular cutout at the bottom. It was close, but the wiring can enter this way with no pinching or rubbing of the wires. If you are happy with the wires entering through the top of the case, that path is wide open. Mounting the fan with the wiring on the side, though, may pinch the wires. Mounting the fan as I did, I needed the included 4 pin extension cable to reach the fan header on my motherboard.

2 people found this helpful

Helpful

Sid Blommers

Closet Ventilation FTW

Reviewed in the United States on November 5, 2022

Verified Purchase

Purchased this fan to run 100% of the time. Using a usb-hub for power. The fan is still running strong without issues. I am using the restricter that comes with the fan as the fan moved more air than was needed. Fan is absolutely great!

Would make a really cool office fan in the summer as it pushes plenty of air.

How I used the Product:
I cut a hole in a closet wall, installed the fan, hung a picture on the other side to hide the fan but still allow air flow, and placed a gaming laptop in the closet. Looks great, extremely quiet, and keeps the closet cool as the gaming laptop is a small and loud space heater.

3 people found this helpful

Helpful

Jacob P.

Well built, quiet operation, easy installation

Reviewed in the United States on February 10, 2021

Verified Purchase

I bought this as a replacement for the stock fan in my CM Trooper since it started making a horrible grinding noise which kept getting worse over the last few months.
I was hesitant to buy this particular fan due to many reviews stating this fan being oversized and not fitting, plus my case wasn't listed on the official compatibility table either.
But there are not a lot of good options for 200mm fans and most had some kind of flaw.

The Noctua's are touted as the best on the market and the only flaw seemed to be its size. So I went ahead and chanced it, with the plan to return it for 2 smaller fans if it didn't fit.

To my surprise, it fit great! The screw holes were only slightly off and I was able to install with no issues.
The fan comes with several different mounting options - standard mounting screws and also 2 styles of anti-vibration mounts. I went with the anti-vibration mounts which made installation even easier since you just pull the flexible strands thru the holes, no tools required. It took longer to figure out how to take my case apart to get to the top fan than actually installing it.

Turned on the PC and no more grinding sound! I'm about a week in, so will be interesting to see how things are a month/year down the road, but so far this thing is quiet and provides great airflow. Definitely lives up to its reputation.

Helpful

AuroraFalchion

Fits in h500 Case Top Fan Mount, Runs quiet

Reviewed in the United States on January 4, 2020

Verified Purchase

Pros:
-Silent due to pushing good air at low RPMs
-comes with an extension and even a low noise adapter to force its max RPM to be lower if needed
-Price isn't bad considering the quality

Cons:
-Very thick which can cause an issue in some cases

Awesome quality fan that I have no issues recommending to people if that are in the market for a good quality low noise fan.

Side note for fitting in the Cooler Master h500 case:

It fits in the top if you remove the rubber bits on the corner (other wise they'll fold due to pushing), then line it up so when you shove it in then it'll basically be where the holes are lol Yes I said shove it in. You have to force it in, but no worries it won't break the case nor the fan. Secure it with screws in the fan box instead of the silicone options. The Case wasn't made to accommodate a 200mm of this thickness, but it will still work. Just make sure you have the fan oriented the right direction ahead of time so you can have enough room to plug it in, though it does come with a nice extension that I did use for tidy cabling purposes.

I did not try the front fan section since there are no mounting standards for 200mm fans. Since the top was a very tight squeeze, there was obviously no planning around making Noctua's 200mm fans fit.

Helpful

Top reviews from other countries

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Andy

Amazing Fans

Reviewed in the United Kingdom on June 7, 2023

Verified Purchase

Got these fans to replace the standard 200mm fans that comes with the Haf 700 evo case as they were noisy. The Noctua fans are thicker than the standard cooler master fans so I had to get longer screws to fit them, but they fit perfectly into the case despite the thickness. I have to say for a price tag of 499 for the cooler master case you would expect some decent fans. Since installing the Noctua fans I’ve not heard the fans at all and I actually had to check to make sure they were actually turning. These fans are pricey but worth every penny. I’ll give it a few months and review again but I’m confident I’ve found some decent fans for a change.

Jacqueline Korell

Noctua 1a Qualität

Reviewed in Germany on August 25, 2023

Verified Purchase

Sehr robustes Plastik. Habe aber bei Noctua nichts anderes erwartet. Dementsprechend kostet der dann auch etwas mehr als andere Hersteller.

Kabel kann man gut biegen und das man denkt es geht kaputt.
Zubehör Ordentlich dabei vor allem diese Gummihalterungen sind klasse einfach durchziehen und der Lüfter hält wo er soll.

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Salvador Velasco

No le queda.

Reviewed in Mexico on July 14, 2023

Verified Purchase

Los compre para un TT View300, pero son demasiado grandes, aunque se pueden adaptar.

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F. Vidal

Es Noctua. No hace falta decir mucho más

Reviewed in Spain on August 12, 2023

Verified Purchase

Fiable y silencioso. Vale la pena el precio, superior a la competencia.

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Client d'Amazon

Nickel

Reviewed in France on July 26, 2023

Verified Purchase

Très bon débit d'air! Produit reçu bien emballé, conforme, dans les délais annoncés.

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Noctua NF-A20 PWM, Premium Quiet Fan, 4-Pin (200x30mm, Brown)

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Important information

From the brand

Noctua Cooling Solutions

New Releases from Noctua

Premium Fans & CPU Coolers

Maximising Colour Choices

Reduced to the Essentials

For Heavy-duty Applications

Premium Thermal Paste

Official Noctua Merch

Compare with similar items

Product Description

Award-winning Noctua quality in 20cm size

Flow Acceleration Channels

SSO2 bearing

154mm, 110x180mm and 170mm hole spacing

Scope of delivery

Please Note:

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