Which 120mm Noctua fan is best for the rear vent of my case? (Air flow is normal front to rear).

Hi mate! I've got the noctua industrial PPC ones which is moving a lot of air when on full speed, but it is noisy indeed, but if you have a motherboard that has the 4pin fan connectors and you can set the speed then this fans are truly amazing! I've got all my fans from noctua and when I'm playing games I used them on 75% of their speed and you can bearly hear them. Otherwise you can get the supersilent ones but they don't move as much air as the industrial ones! Have fun!

Can i use this on the same pwm circuit (using the extension and y cables) as the nf-a9 92mm fan (different rpm)?

Y cables typical only have the 4th pin on one connection, and thus the other doesn't report it's rpm to the motherboard or controller. The second fan just receives the same voltage as the first. It'll work at loosely the same percentage as the first fan, but that rpm will obviously differ. Put the more powerful fan on the fully enabled connector and the second fan will always be quieter. Other way round and it'll always be the faster one.

Does it come with a filter?

No it does not, IV never come across a fan that does.....

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🌀 Stay cool, stay silent — the fan your setup deserves.

BUILT TO LAST - Over 150,000 hours mean-time-to-failure ensures long-term reliability and peace of mind.
PRECISION PWM CONTROL - Seamlessly adjust fan speed from 300 to 1200 RPM for perfect thermal management.
WHISPER QUIET COOLING - Experience near-silent airflow with advanced acoustic optimization and anti-stall knobs.
OPTIMIZED AIRFLOW DESIGN - 120x120x25mm frame engineered for maximum ventilation efficiency in any PC or chassis.
COMPLETE INSTALLATION KIT - Includes anti-vibration mounts, extension and Y-cables for effortless setup and dual fan control.

The Noctua NF-S12A PWM is a premium 120mm PC fan featuring a 4-pin PWM connector for dynamic speed control between 300-1200 RPM. Engineered with advanced acoustic optimization and anti-stall technology, it delivers powerful airflow at an ultra-quiet 17.8 dB noise level. Built with durable fibre-glass reinforced PBT, it boasts an impressive 150,000+ hour lifespan and comes with a full accessory kit including anti-vibration mounts and cables for versatile installation.

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Manufacturer	Noctua
Part number	NF-S12A PWM
Item Weight	181 g
Product Dimensions	21.59 x 3.81 x 15.24 cm; 181.44 g
Item model number	NF-S12A PWM
Size	120x120x25mm
Colour	Brown
Material	Fibre-glass reinforced PBT
Voltage	12 Volts
Item Package Quantity	1
Number of Pieces	1
Air Flow Capacity	107.5 CMPH
Noise Level	17.8 dB
Specific uses	personal
Included components	Please see product Description for what is included
Batteries included?	No
Batteries Required?	No

Noctua NF-S12A PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)

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