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The NA-FC1 is a compact, highly flexible controller for 4-pin PWM fans that can both work on its own for manual speed reduction and also work in tandem with the automatic motherboard fan control. By adjusting the NA-FC1’s speed control dial, users can either manually set a PWM duty cycle from 0 to 100% or reduce the PWM duty cycle supplied by PC motherboards in order to have the fans running slower than the automatic motherboard fan control would allow. While the brightness of the orange status LED provides visual feedback on the current dial setting, the push button allows the NA-FC1 to be switched into “no stop” mode, which prevents the fan from falling below a speed of 300rpm. Thanks to the supplied 3-way split cable and power supply adaptor, up to 3 fans can be controlled simultaneously.
PWM based control
While most fan controllers are voltage based, the NA-FC1 uses the more sophisticated Pulse Width Modulation (PWM) technique that allows for more efficient control and lower minimum speeds, regardless of the fan’s starting voltage.
Power supply adaptor
As powering multiple higher wattage fans from a single motherboard fan header may damage the motherboard, the NA-FC1 includes an NA-AC4 adaptor that powers the device directly from the power supply unit while simultaneously receiving PWM input from the motherboard and forwarding RPM information. This makes it ideal for controlling multiple high-speed fans such as Noctua’s 3000rpm industrialPPC models.
3-way splitter cable
The supplied 3-way splitter cable allows the connection of up to three 4-pin PWM fans in order to control them simultaneously. Even more fans can be controlled at once when using additional NA-YC1 splitter cables that are supplied with many Noctua fans and available as an optional accessory kit (NA-SYC1).
“No stop” mode
If the small push button is pressed and the green status LED is on, the NA-FC1 operates in “no stop” mode, which means that it will not allow the fan to fall below 300rpm, regardless of the speed setting and the input PWM duty cycle from the motherboard, thus avoiding BIOS fan errors.
Scope of delivery
- NA-FC1 controller
- NA-SC1 3-way splitter cable
- NA-EC1 input cable
- NA-AC4 input cable with power supply adaptor
*Please note that many PWM fans have a minimum speed higher than 300rpm and as the function of “no stop” mode is to not let fans go below 300rpm, it is only useful for fans which are generally able to go below this speed. For example, a fan with 500rpm minimum speed will act the same with “no stop” mode on and off.
Specifications:
Connector: 4-pin
Voltage Range: 5-12 V
Colour: black
Size: 21 x 25 x 48 mm
Fan compatibility:
all Noctua 12V PWM and 5V PWM fans, many third party PWM fans
Manual control mode
If the NA-FC1 doesn’t receive an input PWM signal from the motherboard, it works as a simple manual controller that allows the duty cycle to be set from 0 to 100%. This makes it ideal for manually slowing down high-speed PWM fans such as Noctua’s iPPC series to achieve consistently quiet operation.
TechieDude
Reviewed in the United States on January 15, 2025
I split 3 iPPC PWM 2000 RPM fans (two 140mm, one 120mm) into this speed module. I love the iPPC fans due to their rugged reliability and look in my Corsair 4000D case, and this speed control module allowed me to turn down the fan RPMs without sacrificing cooling performance. The noise level decreased significantly! I am SO happy with Noctua and their products.
AsRa11
Reviewed in Germany on September 26, 2024
Ich regel damit einen Lüfter, den ich über USB angeschlossen hab, der also nur mit 5V betrieben wird.Ich konnte bei Noctua keinen Hinweis darauf finden, ob dieses möglich ist. Es hätte ja auch sein können das die Lüftersteuerung nur mit 12V funktioniert.
J
Reviewed in Belgium on May 24, 2024
Their website proudly proclaims that this works with their 5v fans.It does not. I returned the item and ordered a replacement, same behaviour....I would have never bought 5v fans if I knew they were going to be 100% all the time....
Dan D.
Reviewed in the United States on October 30, 2024
Does exactly what it's supposed to do. Used it for a pwm d5 pump to circulate coolant loop for prep and cleaning of new loop. Pump wouldn't run full speed when powering it remotely without a pwm signal. Item solved problem. Just powered it off the same power supply I powered the pump . Not cheap but a nice tool I will be using in the future or on another build.
CodenameA
Reviewed in Sweden on April 26, 2024
I've paired it together with a 5V Noctua fan for a custom room ventilation solution and it works perfectly. I wish the lights were possible to switch off, but some black insulation tape does the job.
Joseph H.
Reviewed in Canada on April 4, 2023
This is aimed at 4 pin fans that utilize pulse width modulation (PWM).Other controllers sometimes use resistors to lower the voltage which can cause issues with some fans.This keeps the voltage at 12V and varies the duty cycle which is a much more precise method of speed control.Simply connect the supplied power cable on one end (sata or motherboard "cpu fan") and the fan to the other.I bought a cheap motherboard that ran the CPU fan at full speed all the time and it was very noisy (and not necessary to run the fan that fast), but the BIOS has no provision for fan control.This worked very well. I can run the fan to where the noise/speed is tolerable and the CPU stays cool.
Francisco Javier
Reviewed in Mexico on October 7, 2021
No es culpa del fabricante, yo dañe 1 de los pines del cable y ese pin ayudaba a regular la velocidad sigue funcionando pero pues no como debería
Brandon C.
Reviewed in the United States on December 17, 2020
-One of the main reasons I love this fan controller is its compact package and ease of use. It is a little pricey for a fan controller, but it works very well and it has exceptional build quality. The dial that controls the fan speed does not wobble or feel like it's going to fall off, so I expect this controller to last a long time. It has been running for a few months now without any issues.-Although I love the NA-FC1 for the aforementioned reasons, one of my main gripes about it is the way that the fans plug into the controller. Since both plugs are on opposite ends, it is rather challenging to place the controller itself outside of my case, as the wires easily get twisted and want to bend back to their original shape. If both plugs were on the same side, then I could place the fan controller on top of my case with the fan cables extending from the drive bay.-It can handle 3 amps of current, which should be more than enough for people with normal case fans. However, I enjoy tinkering with powerful server fans, and I have had to limit which ones I buy due to the 3 ampere current limitation. 3 amps is somewhat of a middle ground; many server fans are rated for under 3 amps, although the most powerful can draw even more current that would overwhelm the NA-FC1. I have spent hours and hours combing through Amazon to try and find a PWM controller that can handle these fans that (and can be directly plugged into my computer power supply), but I have always turned up empty-handed. I am always led back to the NA-FC1 simply due to it being the highest-current PWM fan controller I can find that doesn't require any fiddling to get it working. I would love it if Noctua made a beefier version of the fan controller that could handle currents in excess of 6-7 amperes, but I don't know if Noctua (or any other company) is ever planning to make one like that in the future.
Aaron
Reviewed in the United States on June 21, 2019
Another 5 star Noctua item.I bought this originally to control fans, but I ended up using to control my water pump. For water pumps especially, the "no stop" feature is awesome. I wish this unit was a little less expensive. I also wish it makes coffee and brings me breakfast in bed. Either way, it is not going to happen with Noctua. If you are new to Noctua, their thing is quality, not pricing. If that is your thing, buy it. If not, move on.The unit is well built and the performance is excellent. It is just the right size to stick it somewhere accessible yet unobtrusive in your build. I mounted mine just to the left of my radiator. I only need to adjust the pump (or the fans it was meant to control) very occasionally. If you have a mobo that does not have sufficient PWM headers, this product is ideal. Even if you do have enough PWM headers. this product does a better job at super low speeds than most motherboards UEFI/BIOS. It is a must for filling water loops as you don't want it to start off at full speed. That would introduce unwanted air bubbles and that is exactly how most motherboards behave at start up, regardless of your BIOS settings.Update: Mine stopped working. I suspect it is the cable not the unit itself. I will update again if I try to contact Noctua to correct the issue and their response is inadequate, but I don't think that will happen.
Customer
Reviewed in the United States on March 28, 2019
I created a system to provide cooling for an AV cabinet in a closet. Components include Aventage, Emotiva and Oppo. The cooling equipment used includes:1. Noctua Fans (3) (model# NF-S12A PWM)2. Noctua Fan controller (model# NA-FC1)3. Noctua Extension cables (model# NA-SEC1)4. Cablemod's molex to SATA cable (model# CM-CAB-MSAP 45KK-R)5. Coolerguys AC power adaptor (110V AC to DC 12V Power Supply with 4 pin Molex)The fans are laid flat on top of the receiver and amplifier pulling air up through the units. Of course, the anti-vibration corner pieces protect the AV equipment and prevent the fans from moving around. There is approximately 4" between the top of each AV component and the shelf above. This seems to allow sufficient air circulation.All Noctua components were packaged nicely and functioned perfectly out of the box. Connections are solid. Using the fans full speed, they are very quiet and are effective in keeping the components at less than 82F degrees. The Noctua Fan Controller is tiny -- about the size of a man's thumb.When setting up the system, I reached out to Noctua for some technical assistance. They were prompt and provided excellent guidance on connecting the power supply to the speed control (Cablemod's connector).The Cablemod's cable has solid connections and functions well. The only thing that would be nice is an outer sheath to keep all four wires together for a cleaner appearance.The Coolerguys AC power adaptor appears well made and functions well to power the three fans.Overall, the system has been running for about 1 month and I am quite satisfied with each of the components and would recommend them to anyone looking for an effective cooling system for an AV cabinet.
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