Noctua NA-FK1 Second Fan Upgrade Kit - Black
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OnBuy.comNoctua Na-Fk1 Redux, Second Fan Upgrade Kit For Nh-U12s Redux Cooler 9010018200973
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Product Information
Full details
The Noctua NA-FK1 is designed for users of the NH-U12S redux CPU cooler who wish to enhance thermal efficiency or optimize acoustic performance through a push/pull configuration. This kit provides a seamless path to upgrading your existing cooler, effectively lowering CPU temperatures by 1-3°C under load. While it significantly boosts cooling overhead for overclocked systems, users should verify clearance within their PC case to ensure the dual-fan setup fits comfortably behind the rear I/O shroud or adjacent RAM modules.
All features
| Colour | Black |
|---|---|
| Model Part Number | NA-FK1 |
| Brand | Noctua |
Extended Product Information
FAQs
Can I use this kit on other CPU coolers?
No, the NA-FK1 is specifically designed for the NH-U12S redux and includes mounting clips tailored to that specific heatsink geometry.
What is the purpose of the Low-Noise Adaptor?
The adaptor reduces the voltage supplied to the fan, capping the maximum speed at 1300 RPM to minimize noise output during operation.
Will this block my RAM slots?
Generally, the fan is mounted on the rear of the heatsink, so it should not interfere with RAM; however, always check your case's internal clearance near the rear I/O panel.
Do I need an extra fan header on my motherboard?
No, the kit includes a 4-pin Y-cable that allows you to connect both fans to a single motherboard header while maintaining PWM speed control.
How long will the fan last?
The NF-P12 redux fan features an SSO bearing with a life expectancy of over 150,000 hours.
Troubleshooting
Fans running at full speed constantly
Ensure the fan header mode is set to 'PWM' in the BIOS rather than 'DC' or 'Voltage' mode.
Increased noise or vibration
Verify that the anti-vibration pads are correctly installed and the fan clips are securely fastened to the heatsink frame.
Pros and Cons
Pros
- Reduces CPU temperatures by 1-3°C
- Allows for lower RPM operation for a quieter experience
- Perfectly matches the aesthetic and performance of the NH-U12S redux
- Includes everything needed for quick installation
- SSO bearing ensures long-term reliability
Cons
- Adds depth to the cooler, potentially interfering with tall RAM sticks
- Requires free fan header space on the motherboard
- Limited specifically to the NH-U12S redux cooler
Setup, Compatibility & Care
Installation involves attaching the provided fan clips to the additional NF-P12 redux fan and securing it to the exit side of the NH-U12S redux heatsink.
- Apply the included anti-vibration pads to the fan corners.
- Connect both the existing and new fans to the 4-pin Y-cable.
- Connect the Y-cable to the motherboard CPU_FAN header.
- If lower noise is preferred, attach the Low-Noise Adaptors between the fan and the cable splitter.
Maintenance: To maintain optimal performance, periodically check for dust buildup on the fan blades and heatsink fins. Use compressed air to clear obstructions every 6-12 months.