Would these fan clips work for the u12p? I have the heat sync but no fan clips. Since im not the original owner I cannot get them from noctua.

Since this was designed as an add on fan for the Noctua NH-U12S redux cooler, the clips will be compatible with the other Noctua NH-U12S coolers. Diagrams of these coolers can be found at the Noctua website showing the exact dimensions.

Does the fan have a cfm rating? (i don't see cfm on noctua.at specs)

This is a replacement part for the u12s cooler which commonly has a fan of a cfm rating of 70.60 so I'm guessing that's it

Hi,does it work with cooler master hyper 212 evo ??

yeah but you'll need the brackets that came with the 212

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Noctua NA-FK1 redux Upgrade Lüfterkit

Product ID: 315891290

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Details

Brand
Noctua
Cooling method
Air
Power connector type
4-Pin
Product dimensions
39.1L x 34.8W
Voltage
12 Volts

⚡optimized for high TDP CPUs

🔇quieter dual-fan setup

❄️1-3°C cooler temps

Description

❄️ Upgrade your airflow, upgrade your game.

CHILL LIKE A PRO - Slash CPU temps by up to 3°C for peak turbo and overclocking performance.
SILENT POWER DUO - Dual-fan push/pull design cuts noise while boosting airflow efficiency.
EFFORTLESS UPGRADE - Seamlessly transforms your NH-U12S redux into a high-performance cooling powerhouse.
TURBOCHARGE YOUR RIG - Specifically engineered for high TDP processors and intense workloads.
STAY COOL STAY AHEAD - Lower fan speeds mean whisper-quiet operation without sacrificing thermal control.

The Noctua NA-FK1 redux Upgrade Lüfterkit enhances the NH-U12S redux cooler by adding a push/pull dual-fan setup, reducing CPU temperatures by 1-3°C under heavy loads and turbo conditions. Designed for quieter operation at lower fan speeds, it’s ideal for overclocked systems and high TDP processors seeking efficient, silent cooling.

Specifications

ASIN	B08WQ6HT24
Item model number	NA-FK1redux
Language	English, English, English, English, English
Manufacturer	Noctua
Product Dimensions	15.4 x 13.9 x 4.9 cm; 100 g

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