![]() ![]() In particular, Noctua’s A-series models are universal solutions that are excellent both as case fans and on coolers and radiators.The aptly named Macs Fan Control application allows for this. ![]() Except for the NF-F12, NF-P12 and NF-S12 lines, all other Noctua fans are designed to provide optimal results in both types of applications. Note that there is no distinction between airflow and pressure-focused models in all other sizes. Performance and application-type considerations for 120mm fans (airflow vs static pressure): In the 120mm range, Noctua offers the NF-A12x25 that provides superior performance in all applications and models such as the NF-F12 and NF-S12A or NF-P12 redux and NF-S12B redux that are focused solutions for either airflow or pressure-demanding applications.The chromax line fans come with mounting screws and swappable anti-vibration pads in different colours. Accessories: Redux and industrialPPC line fans come with mounting screws only whereas the standard-line fans come with a rich bundle of accessories (different cables, adaptors, anti-vibration mounts, etc., see individual specifications for details).industrialPPC: Speeds are designated in the product name numerically, e.g.chromax: There is only one speed per fan version in the chromax line.redux: Speeds are designated in the product name numerically, e.g.standard line: HS-PWM versions are the highest speeds in this line, PWM and FLX versions are high to moderate speeds and ULN versions are the lowest speeds.In the different product lines, we use different designations for highlighting the fans’ speeds and noise levels: the NF-S12A 120mm fan at 1200rpm is quieter than the NF-F12 120mm fan at 1200rpm), so always refer to our dB(A) specifications rather than to RPM speeds only. ![]() a 2000rpm 40mm fan may be quieter than a 1500rpm 120mm fan) and from fan design to fan design (e.g. In general, higher RPM speeds result in higher noise levels, but note that the relation of RPM speed and noise differs from fan size to fan size (e.g. Noise level and RPM speed: Please refer to the dB(A) specification of each individual model for selecting one that fits your requirements regarding noise and performance.Please refer to the specifications of the individual models for details. Note that some models also come with adaptors for 4-pin peripheral connectors, 2-pin or USB connectors, or the OmniJoinTM adaptor set that allows the fan to be connected to proprietary fan headers. However, as explained in this FAQ, 3-pin fans can also be used on most 4-pin headers and vice versa. ![]() The 3-pin versions can only be speed-controlled by reducing the voltage (or using the supplied Low-Noise Adaptors in the case of FLX and ULN versions). Choose 4-pin PWM versions if you would like to use the PWM fan speed control of your motherboard (or other devices). The latter can be identified by the “PWM” designation.
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