The Noctua NF-A4x10 PWM is a high-performance 40mm cooling fan designed for various applications, particularly in CPU cases. It incorporates advanced aerodynamic design features, including Flow Acceleration Channels and Noctua's AAO (Advanced Acoustic Optimization) frame, which enhance airflow while minimizing noise levels.

This fan is equipped with the custom-designed NE-FD1 IC for precise automatic speed control through 4-pin fan headers, ensuring optimal cooling performance tailored to your system's needs. Additionally, the NF-A4x10 comes with a Low-Noise Adaptor that allows users to further reduce operating noise if desired.

The OmniJoin Adaptor Set included in the package facilitates easy connectivity to proprietary fan headers, enhancing its versatility across different setups. The fan operates smoothly thanks to its reference-class SSO2 bearing technology and is built to last with Noctua’s commitment to premium quality.

The Noctua NF-A14 PWM is a 140mm case fan designed to provide efficient cooling for computers while maintaining a quiet operation. It features a 12V power supply and utilizes a 4-pin PWM connector, allowing for automatic speed adjustments based on the system's temperature needs.

This ensures optimal performance without excessive noise, making it suitable for both gaming rigs and home office setups. The NF-A14 comes in the stylish chromax. black. swap design, which allows users to customize the appearance with interchangeable colored anti-vibration pads.

Its advanced aerodynamic design minimizes turbulence and enhances airflow efficiency, making it an excellent choice for CPU coolers, radiators, or as replacement fans in cases that require reliable cooling solutions.

Additionally, this fan is equipped with Noctua's renowned SSO2 bearing technology, enhancing its longevity and stability over time. With impressive airflow rates and static pressure capabilities, the NF-A14 PWM effectively addresses various cooling demands within your system.

The Noctua NF-A9x14 PWM Ultrathin 92mm Radiator Fan is a premium-quality cooling solution designed for enthusiasts seeking both performance and aesthetics. This fan features a slim profile of just 14mm, making it ideal for tight spaces in computer cases and CPU coolers.

The NF-A9x14 has gained recognition from numerous hardware websites and magazines, establishing its reputation as a go-to choice in the realm of compact fans. Part of the chromax. black. swap line, this fan not only delivers exceptional quiet cooling but also sports an all-black design that blends seamlessly with various setups.

Included with the fan are self-adhesive anti-vibration pads in multiple colors—red, white, blue, green, yellow, and black—allowing users to customize the look to match their build's color scheme. Engineered with Noctua’s premium-grade SSO2 bearing technology ensures longevity with an impressive mean time to failure (MTTF) exceeding 150,000 hours.

Additionally, it comes backed by a six-year manufacturer’s warranty.

The Noctua NF-A8 is an advanced 80mm cooling fan designed for optimal performance and quiet operation. Engineered with Noctua's AAO (Advanced Acoustic Optimisation) frame and enhanced aerodynamic features such as Flow Acceleration Channels, the NF-A8 delivers exceptional cooling efficiency while maintaining a low noise profile.

This fan is available in both 12V and 5V versions, offering versatile compatibility for various systems. The PWM variant utilizes Noctua's custom NE-FD1 IC, enabling fully automatic speed control through 4-pin fan headers.

It also includes a Low-Noise Adapter that reduces the maximum speed from 2200 RPM to a quieter 1750 RPM during PWM operation. Additionally, the NF-A8 boasts reference-class SSO2 bearings that ensure smooth and reliable performance over time.

With its high-quality construction and impressive specifications, this fan stands out as a top choice for users seeking silent yet effective cooling solutions.

The Noctua NF-A4x20 is a compact and efficient 40mm cooling fan designed to meet the demands of various computer applications. Its advanced aerodynamic design incorporates Flow Acceleration Channels and Noctua's AAO (Advanced Acoustic Optimization) frame, ensuring optimal airflow while reducing noise levels.

The NF-A4x20 is available in multiple configurations, including a PWM version equipped with Noctua's custom-designed NE-FD1 IC for fully automatic speed control via 4-pin fan headers. Additionally, it comes with a Low-Noise Adaptor to further minimize operational noise.

This fan also features the OmniJoin™ Adaptor Set, allowing easy connection to proprietary fan headers for versatile installation options. The NF-A4x20 boasts exceptional running smoothness thanks to its reference-class SSO2 bearing, which contributes to its longevity and reliability.

It is offered in several variants: the NF-A4x20 5V/3PIN, NF-A4x20 5V/4PIN PWM, NF-A4x20 12V/3PIN FLX, and NF-A4x20 12V/4PIN PWM configurations.