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Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)

Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)

Q: How many cfm, or cubic feet per minute?

Google says "120,2 cubic meters per hour to cubic feet per minute = 70,747049 (cubic feet) per minute." I can type that in with the best of them.

Q: Is this an airflow fan or a static pressure fan?

The fan blades are shaped for static pressure. https://www.amazon.com/dp/B00KF7PPY4/ref=psdc_11036291_t1_B07CG2PGY6 are shaped for airflow. These are static optimized fans

Q: If I want to only use two wires on this fan for max speed, which leads should I use green / black ?

Here's some info that might help you, and should answer that question giving you some confidence... that extra pin on a 4 pin fan is the digital speed control -- this is why the fan goes at max speed if plugged into a 3 pin connector (letting the 4th pin just hang over the side), rather than a a 4 pin connector. Pin number 3 is what tells your motherboard the rotations per minute (RPM) of the fan. So, all that you are left with is the first two pins. The first pin is ground (almost always black) and the second pin is the power (it's 12 volts, but you can get 5 volts from the a custom connector from the power supply instead of the 4 pin motherboard connector if you want to have a slower fan). Here's a chart: For 4-Wire Pulse Width Modulation (PWM) Controlled Fans Pin Name Description Wire color(usual) 1 GND Ground black 2 +12V Fan Power yellow 3 SIGNAL Fan RPM green 4 PWM Digital Control blue So to answer your question, yes it is possible to just use the first two pins (regardless of color, although the first one is almost always black, but the color of the second one is not always the same).

Q: Will the pwm control on this fan stop it completely even with power to +12v/gnd?

On my motherboard (ASUS X99-E WS), can't speak for any other motherboards, any percentage below 50% results in no movement, giving you only really adjustment between 50-100%. I found this somewhat frustrating, but I do prefer this to them never coming to a complete stop.

Product ID: 81734459

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Details

Product Dimensions
4.72"L x x
Brand
Noctua
Power Connector Type
4-Pin
Voltage
12 Volts
Wattage
1.08 watts
Cooling Method
Air

⚡4-pin PWM for smart control

🌀1700 RPM max speed

🔇Ultra-quiet 25.1 dB(A)

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Description

🌀 Stay cool, stay ahead — silence and power in perfect harmony.

PROVEN RELIABILITY - Over 150,000 hours MTTF ensures long-lasting, dependable performance for your high-end builds.
SMART SPEED CONTROL - 4-pin PWM enables dynamic fan speed adjustment, balancing peak cooling with silent idling.
WHISPER QUIET OPERATION - Operates at a barely audible 25.1 dB(A), keeping your workspace distraction-free and focused.
PRECISION AIRFLOW MASTERY - Optimized blade design delivers powerful static pressure and 120.2 CFM for superior cooling performance.
VALUE PACKED REDUX EDITION - Streamlined design with Noctua’s legendary quality at an accessible price, plus versatile accessory compatibility.

The Noctua NF-P12 redux-1700 PWM is a high-performance 120mm cooling fan featuring a 1700 RPM max speed, ultra-quiet 25.1 dB(A) operation, and 4-pin PWM for intelligent motherboard speed control. Its pressure-optimized blades deliver strong airflow and static pressure, ideal for CPU coolers and radiators. With over 150,000 hours MTTF and a reputation backed by 100+ awards, this fan combines proven reliability with exceptional value in a sleek grey design.

Specifications

Product Dimensions	4.72"L x 4.72"W x 0.98"H
Brand	Noctua
Power Connector Type	4-Pin
Voltage	12 Volts
Wattage	1.08 watts
Cooling Method	Air
Compatible Devices	Desktop
Noise Level	25.1 dB
Material	Fibre-glass reinforced PBT
Maximum Rotational Speed	1700 RPM
Air Flow Capacity	120.2 CMPH
UPC	841501110368
Global Trade Identification Number	09010018100365
Manufacturer	Noctua
Number of Items	1
Model	NF-P12 redux-1700 PWM
Item Weight	4.4 ounces
Item model number	NF-P12 redux 1700 PWM
Is Discontinued By Manufacturer	No
Manufacturer Part Number	NF-P12 redux-1700 PWM
Safety Rating	Não aplicável

Have a Question? See What Others Asked

How many cfm, or cubic feet per minute?

Is this an airflow fan or a static pressure fan?

If I want to only use two wires on this fan for max speed, which leads should I use green / black ?

Will the pwm control on this fan stop it completely even with power to +12v/gnd?

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