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

NoctuaNF-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.

4.8/5

Product ID: 256233256

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Details

Product dimensions
12L x 12W x
Brand
Noctua
Power connector type
4-Pin
Voltage
12 Volts
Wattage
1.08 watts

🔄4-pin PWM control

🔇25.1 dB(A) quiet operation

🌪️1700 RPM max speed

Frequently Bought Together

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

Noctua NF-P14s redux-1500 PWM, High Performance Cooling Fan, 4-Pin, 1500 RPM (140mm, Grey)

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Description

🌬️ Cool down in style with Noctua's silent powerhouse!

LONG LIFESPAN - Over 150,000 hours of reliable performance.
AWARD WINNING DESIGN - Recognized by top hardware experts worldwide.
VERSATILE COMPATIBILITY - Perfect for low-noise chassis ventilation.
WHISPER QUIET PERFORMANCE - Experience cooling without the noise.
HIGH STATIC PRESSURE DESIGN - Optimized for air-based CPU coolers and radiators.

The Noctua NF-P12 redux-1700 PWM is a high-performance 120mm cooling fan designed for optimal airflow and quiet operation. With a maximum speed of 1700 RPM and a noise level of just 25.1 dB(A), it ensures efficient cooling for CPU coolers, water cooling radiators, and low-noise chassis ventilation. This fan boasts a lifespan of over 150,000 hours and has received numerous awards for its exceptional design and performance.

Specifications

Brand	Noctua
Product Dimensions	12 x 12 x 2.5 cm; 125 g
Item model number	NF-P12 redux 1700 PWM
Manufacturer	Noctua
Series	NF-P12 redux-1700 PWM
Color	Grigio
Computer Memory Type	DIMM
Voltage	12 Volts
Wattage	1.08 watts
Are Batteries Included	No
Item Weight	125 g

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?

Reviews

4.8

All from verified purchases

A**L

very useful and trust do their job

nice size for fit on any desktopgood qualityover-all helpfully

12.06.2022

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