Looking for the best Noctua replacement fans? We’ve compiled a list of 10 top options to help you find the perfect cooling solution for your needs.
Noctua fans are known for their quiet operation and high performance, making them a top choice for cooling needs. Whether you’re upgrading a PC, 3D printer, or NAS device, Noctua has a fan for every application.
From 40mm to 140mm, these fans come in various sizes and voltages, ensuring a perfect fit for your setup. Features like PWM control, anti-vibration mounts, and low-noise adaptors make installation and customization a breeze.
Discover the best Noctua replacement fans to keep your devices cool and quiet. Let’s dive in and find the ideal fan for your needs!
List of Top 10 Noctua Replacement Fans
| Image | Title | Best For | Price |
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Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey) |
The Noctua NF-P12 redux-1700 PWM is perfect for anyone who wants quiet, powerful cooling for their computer. It’s great for gamers, builders, or anyone needing reliable performance at a good price. |
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Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown) |
This Noctua NF-A4x10 FLX fan is perfect for anyone needing a quiet, reliable cooling solution. It’s ideal for 3D printers, network devices, or storage systems where noise reduction and performance matter. |
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Noctua NF-A4x10 24V PWM, 40mm Quiet Fan for 3D Printers and Other Applications, 4-Pin, 24V Version (40x10mm, Brown) |
This Noctua NF-A4x10 24V PWM fan is perfect for 3D printer owners who want to upgrade their cooling system. It’s also great for anyone using 24V applications needing a quiet, reliable fan. |
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Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown) |
The Noctua NF-A8 PWM is perfect for anyone who wants a quiet, efficient fan for their compact PC or small devices. It’s ideal for HTPC, ITX, or NAS systems needing reliable cooling without noise. |
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Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown) |
The Noctua NF-A4x20 PWM is perfect for anyone needing quiet, reliable cooling in small spaces. It’s ideal for 1U servers, network gear, or storage devices like routers, switches, and NAS systems. |
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Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown) |
The Noctua NF-A9 PWM is perfect for anyone who wants quiet, efficient cooling. It’s ideal for small PC builds, CPU coolers, or replacing noisy fans in devices like NAS systems. |
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Noctua NF-A6x25 FLX, Premium Quiet Fan, 3-Pin (60mm, Brown) |
The Noctua NF-A6x25 FLX is perfect for anyone needing a quiet, reliable fan for their small devices. It’s ideal for replacing noisy fans in DVRs, NAS, 3D printers, and more. |
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Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown) |
This quiet fan is perfect for anyone needing a reliable, low-noise cooling solution. It’s ideal for 3D printers, DVRs, NAS, and other small devices that use 5V fans. |
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Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown) |
The Noctua NF-A12x25 PWM is perfect for anyone who wants a quiet, powerful fan for their computer. It’s great for cooling CPUs, watercooling systems, or cases without making noise. |
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Noctua NF-A14 PWM chromax.Black.swap, Premium Quiet Fan, 4-Pin (140mm, Black) |
The Noctua NF-A14 PWM chromax.Black.swap is perfect for PC enthusiasts who want a quiet, high-performance fan. It’s ideal for water cooling or case airflow, with easy color customization to match any build. |
Detailed Reviews
Discover the top 10 Noctua replacement fans in this expert-reviewed guide. Each fan is chosen for its quiet operation, high performance, and overall value, ensuring you find the perfect fit for your needs. Whether you’re upgrading a PC, 3D printer, or NAS device, this guide makes it easy to choose the best fan for reliable cooling.
1. Noctua NF-P12 redux-1700 PWM, High Performance Cooling Fan, 4-Pin, 1700 RPM (120mm, Grey)
The Noctua NF-P12 redux-1700 PWM is a high-performance cooling fan designed for quiet and efficient operation. It measures 120x120x25 mm and runs at 1700 RPM, delivering strong airflow with minimal noise. This fan is perfect for CPU coolers, radiators, or chassis ventilation.
It features a pressure-optimised blade design for high static pressure and low noise levels (max. 25.1 dB(A)). The 4-pin PWM version allows automatic speed control, ensuring powerful cooling when needed and silent operation at idle.
| Pros | Cons |
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Perfect For:
The Noctua NF-P12 redux-1700 PWM is perfect for anyone who wants quiet, powerful cooling for their computer. It’s great for gamers, builders, or anyone needing reliable performance at a good price.
Ready to Purchase?
2. Noctua NF-A4x10 FLX, Premium Quiet Fan, 3-Pin (40x10mm, Brown)
The Noctua NF-A4x10 FLX is a premium quiet fan designed for superior cooling. It measures 40x40x10 mm and operates at 12V with a 3-pin Molex connector. This fan is perfect for replacing noisy or broken fans in devices like 3D printers, NAS, and routers.
It features Flow Acceleration Channels and an Advanced Acoustic Optimisation frame. These ensure quiet operation and efficient airflow. The fan can run at 4500 RPM or 3700 RPM using Low-Noise Adaptors.
The package includes anti-vibration mounts, fan screws, and an extension cable. It also comes with an OmniJoin adaptor set for easy installation. This fan is ideal for anyone seeking reliable, quiet cooling for their devices.
| Pros | Cons |
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Perfect For:
This Noctua NF-A4x10 FLX fan is perfect for anyone needing a quiet, reliable cooling solution. It’s ideal for 3D printers, network devices, or storage systems where noise reduction and performance matter.
Ready to Purchase?
3. Noctua NF-A4x10 24V PWM, 40mm Quiet Fan for 3D Printers and Other Applications, 4-Pin, 24V Version (40x10mm, Brown)
The Noctua NF-A4x10 24V PWM is a quiet 40mm fan perfect for 3D printers and other 24V applications. It runs at 5000rpm max and has a 4-pin PWM connector for automatic speed control. This fan is award-winning and trusted for its quiet operation and high performance.
It comes with anti-vibration mounts, adaptor cables, and safety certifications from UL and TÜV. The premium-grade SSO2 bearing ensures long-lasting reliability with an MTTF of over 150,000 hours.
| Pros | Cons |
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Perfect For:
This Noctua NF-A4x10 24V PWM fan is perfect for 3D printer owners who want to upgrade their cooling system. It’s also great for anyone using 24V applications needing a quiet, reliable fan.
Ready to Purchase?
4. Noctua NF-A8 PWM, Premium Quiet Fan, 4-Pin (80mm, Brown)
The Noctua NF-A8 PWM is a premium quiet fan designed for superior cooling. It measures 80x80x25 mm and runs at max. 2200 RPM with ultra-low noise of 17.7 dB(A).
This award-winning fan features Flow Acceleration Channels and an Advanced Acoustic Optimisation frame. It’s perfect for compact PC cases, NAS devices, and small form factor builds.
Includes anti-vibration mounts, fan screws, and a Low-Noise Adaptor. Also comes with an extension cable and y-cable for easy setup.
| Pros | Cons |
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Perfect For:
The Noctua NF-A8 PWM is perfect for anyone who wants a quiet, efficient fan for their compact PC or small devices. It’s ideal for HTPC, ITX, or NAS systems needing reliable cooling without noise.
Ready to Purchase?
5. Noctua NF-A4x20 PWM, Premium Quiet Fan, 4-Pin (40x20mm, Brown)
The Noctua NF-A4x20 PWM is a premium quiet fan designed for superior cooling performance. Its 40x20mm size makes it perfect for 1U servers and network equipment. With a max speed of 5000 RPM and ultra-low noise levels, it ensures efficient and quiet operation.
This fan features advanced acoustic optimization and anti-vibration mounts for smooth, silent performance. It includes all necessary accessories for easy installation, making it a top choice for upgrading or replacing fans in various devices.
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Perfect For:
The Noctua NF-A4x20 PWM is perfect for anyone needing quiet, reliable cooling in small spaces. It’s ideal for 1U servers, network gear, or storage devices like routers, switches, and NAS systems.
Ready to Purchase?
6. Noctua NF-A9 PWM, Premium Quiet Fan, 4-Pin (92mm, Brown)
The Noctua NF-A9 PWM is a quiet 92mm fan built for low noise and strong airflow. It uses 4-pin PWM to auto-adjust speeds between 400-2000 RPM, staying as silent as 22.8 dB(A).
This fan shines in tight spaces like HTPCs, NAS units, or small PC cases. Its Flow Acceleration Channels and Acoustic Optimisation frame boost airflow while cutting noise.
It comes with anti-vibration mounts and a Low-Noise Adaptor to cut speeds to 1550 RPM. An extension cable and Y-cable let you link two fans to one header. All parts are included for easy, quiet setup.
| Pros | Cons |
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Perfect For:
The Noctua NF-A9 PWM is perfect for anyone who wants quiet, efficient cooling. It’s ideal for small PC builds, CPU coolers, or replacing noisy fans in devices like NAS systems.
Ready to Purchase?
7. Noctua NF-A6x25 FLX, Premium Quiet Fan, 3-Pin (60mm, Brown)
The Noctua NF-A6x25 FLX is a small, quiet fan for cooling. It runs at 3000/2400/1600 RPM and makes less than 19.3 dB(A) of noise. This 60mm fan lasts over 150,000 hours and works in tight spaces.
It has Flow Acceleration Channels and an Advanced Acoustic Optimisation frame for smooth airflow. The 3-pin design works with Low-Noise Adaptors to adjust speed.
| Pros | Cons |
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Perfect For:
The Noctua NF-A6x25 FLX is perfect for anyone needing a quiet, reliable fan for their small devices. It’s ideal for replacing noisy fans in DVRs, NAS, 3D printers, and more.
Ready to Purchase?
8. Noctua NF-A4x10 5V, Premium Quiet Fan, 3-Pin, 5V Version (40x10mm, Brown)
The Noctua NF-A4x10 5V is a premium quiet fan. It measures 40x10mm and runs on 5V power. This fan is perfect for cooling small devices.
It has special features for quiet operation. These include Flow Acceleration Channels and an Advanced Acoustic Optimisation frame. This makes it ideal for replacing noisy fans.
The fan comes with useful accessories. These include anti-vibration mounts, fan screws, and an extension cable. It also has an OmniJoin adaptor set for easy connection.
| Pros | Cons |
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Perfect For:
This quiet fan is perfect for anyone needing a reliable, low-noise cooling solution. It’s ideal for 3D printers, DVRs, NAS, and other small devices that use 5V fans.
Ready to Purchase?
9. Noctua NF-A12x25 PWM, Premium Quiet Fan, 4-Pin (120mm, Brown)
The Noctua NF-A12x25 PWM is a quiet 120mm fan with a max noise level of 22.6 dB(A). It uses 4-pin PWM to adjust speed automatically, up to 2000 RPM, or 1700 RPM with the included Low-Noise Adaptor. This fan works great for case cooling, CPU coolers, or radiators thanks to its mix of airflow and pressure.
Its design includes Flow Acceleration Channels and a metal-reinforced hub for lasting performance. With a 150,000-hour MTTF rating, it’s built to run cool and quiet for years.
| Pros | Cons |
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Perfect For:
The Noctua NF-A12x25 PWM is perfect for anyone who wants a quiet, powerful fan for their computer. It’s great for cooling CPUs, watercooling systems, or cases without making noise.
Ready to Purchase?
10. Noctua NF-A14 PWM chromax.Black.swap, Premium Quiet Fan, 4-Pin (140mm, Black)
The Noctua NF-A14 PWM chromax.Black.swap is a premium quiet fan designed for high performance and customization. It features a 140mm size, 4-pin PWM for automatic speed control, and a max speed of 1500 RPM.
This fan is ideal for water cooling or as a case fan. It comes with swappable anti-vibration pads in six colors, letting you match your setup. Its award-winning design ensures excellent airflow and quiet operation.
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Perfect For:
The Noctua NF-A14 PWM chromax.Black.swap is perfect for PC enthusiasts who want a quiet, high-performance fan. It’s ideal for water cooling or case airflow, with easy color customization to match any build.
Ready to Purchase?
Buying Guide
Noctua fans are quiet and powerful, making them a top choice for cooling. Find the perfect fan for your needs with this guide.
Buying the Best Noctua Replacement Fans: A Pro Guide
When choosing a Noctua fan, consider these key factors:
- Size: Pick the right size (40mm to 140mm) to fit your device, like a PC, 3D printer, or NAS.
- Voltage: Match the voltage (5V, 12V, or 24V) to your device’s power needs.
- Noise Level: Look for fans with low dB(A) ratings for quiet operation.
- Speed Control: Choose PWM fans for automatic speed adjustment or use Low-Noise Adaptors for manual control.
- Mounting Options: Check for anti-vibration mounts to reduce noise and ensure easy installation.
- Airflow vs. Pressure: Select fans with high airflow for case cooling or high static pressure for CPU coolers and radiators.
- Accessories: Fans with included cables, screws, and adaptors make setup simpler.
- Durability: Look for fans with long MTTF ratings (like 150,000 hours) for reliability.
- Customization: Some fans offer swappable parts or color options to match your setup.
With these factors in mind, you’ll find the perfect Noctua fan to keep your devices cool and quiet.