|Item Height||25 millimetres|
|Item Width||21 millimetres|
|Computer Memory Type||DDR3 SDRAM|
|Hard Drive Size||1 GB|
|Hard Drive Interface||ATA|
|Are Batteries Included||No|
|Item model number||NA-FC1|
|Product Dimensions||4.8 x 2.1 x 2.5 cm; 50 Grams|
Noctua NA-FC1, 4-Pin PWM Fan Controller (Black)
Enhance your purchase
|Item dimensions LxWxH||48 x 21 x 25 millimetres|
|Power connector type||4-Pin|
About this item
- Enter your model number to make sure this fits.
- Compact, highly flexible controller for 4-pin PWM fans
- Works as a manual speed reducer or in tandem with the automatic motherboard fan control: achieve truly quiet operation, even with high-speed PWM fans such as Noctua’s industrialPPC series
- “No stop” mode: prevents the fan from falling below a speed of 300rpm in order to avoid BIOS fan errors
- Includes a 3-way splitter cable for controlling up to 3 fans simultaneously
- 6-year manufacturer’s warranty
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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.
Customising motherboard fan control
Many motherboards provide insufficient options to customise automatic fan control or simply don’t go below certain duty cycles and speed levels. Using the NA-FC1, you can lower the motherboard’s PWM control curve in order to achieve truly silent operation, even with high-speed PWM fans such as Noctua’s industrialPPC series.
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.*
Manual control mode
If the NA-FC1 doesn’t receive an input PWM signal from the motherboard, it works as a simple and efficient 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 industrialPPC series in order to achieve consistently quiet operation.
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.
Voltage Range: 5-12 V
Size: 21 x 25 x 48 mm
all Noctua 12V PWM and 5V PWM fans, many third party PWM fans
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Top reviews from other countries
In my case I didn't connect the PWM passthrough lead to the motherboard, I only had power going in. The NA-FC1 generated a PWM signal and the fan works fine. Tested with both Noctua and BeQuiet PWM fans.
Like everything Noctua, it's not cheap but you definitely get what you pay for.
Installing the fan controller gives you the option to site it between the motherboard fan controller and the fans, and “tone down” the motherboard fan signals. This leads to a much more balanced and quet operation, without compromising cooling performance.