This fan is rated at 8.9m³/h and 6.6 m³/h with the LNA, this converts to 5.23834215487808 CFM and 3.88461328339273 CFM with the LNA

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Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Q: Will the fan operate off a 2 pin 12V DC supply?

Sure, when the PWM has a pull up, this means the FAN will run at 100%.

Q: Can this fan be used in place of the noctua nf-a4x10 flx?

There is no reason why not, but do not expect to get the RPMs as low as you can using a PWM signal be aware this model can get a little louder than the flx version as the max fan speed is higher, but that does come with more airflow and static pressure

Q: can I run this off a 12v fan header on my motherboard/fan splitter?

yes, you can use as many splitters as you like, just check how many amps your board header maxes out at and add up your fans current draw, this fan is specked at 40 milliamp, 1000 milliamp = 1 amp

Product ID: 71150024

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Details

Product Dimensions
1.57"L x x
Brand
Noctua
Power Connector Type
4-Pin
Voltage
12 Volts
Cooling Method
Air
Compatible Devices
Desktop

⏳150,000+ hours MTTF

🌀5000 RPM max speed

🔇Ultra-quiet 19.6 dB(A)

Frequently Bought Together

Noctua NF-A4x10 PWM, Premium Quiet Fan, 4-Pin (40x10mm, Brown)

Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)

Description

🌀 Silent power in a compact frame — cool smarter, not louder.

BUILT TO LAST - Over 150,000 hours mean-time-to-failure ensures reliable, long-term operation you can count on.
COMPACT POWERHOUSE - Slim 40x40x10mm size fits tight spaces like 1U servers, routers, and NAS devices without compromise.
PRECISION PWM CONTROL - 4-pin PWM allows seamless automatic speed adjustment from 1000 to 5000 RPM for tailored performance.
WHISPER QUIET COOLING - Experience near-silent airflow with advanced acoustic optimization, perfect for focused workspaces.
ALL INCLUSIVE INSTALLATION KIT - Comes with anti-vibration mounts, Low-Noise Adaptor, extension cable, and OmniJoin adaptor for effortless setup.

The NF-A4x10 PWM is a premium 40x40x10mm quiet fan designed for professional-grade cooling in compact devices like 1U servers and network equipment. Featuring a 4-pin PWM interface for dynamic speed control up to 5000 RPM, it delivers powerful airflow at an ultra-low noise level of 19.6 dB(A). Engineered with award-winning acoustic optimization and a robust lifespan exceeding 150,000 hours, it includes a comprehensive accessory kit for easy, vibration-free installation.

Have a Question? See What Others Asked

What's the cfm?

Will the fan operate off a 2 pin 12V DC supply?

Can this fan be used in place of the noctua nf-a4x10 flx?

can I run this off a 12v fan header on my motherboard/fan splitter?

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