German
Sleeve bearing
Fans with sleeve bearings are usually relatively quiet in operation and can therefore mostly also be used for silent systems. However, they have rather low speeds and are not as robust as fans with ball bearings. For continuous operation in server systems or industrial environments with high-speed 24/7 operation, we rather recommend models with ball-bearing.
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High-quality 60mm case fan from Silverstone with PWM for use in server or industrial applications. This is a very good and powerful 60mm fan, which we also install in some of the complete systems we manufacture. The hydrodynamic bearing (HDB) of this fan also ensures a long service life. The 35cm long connection cable is directly connected to a short socket on the fan. Alternatively, with an included speed reduction cable, the fan can be operated in silent mode at only max. 2,850upm.
High quality and extremely quiet running 60mm case fan from Blacknoise/Noiseblocker. Nearly silent operation with a maximum noise level of 15 dB/A thanks to special NB-NanoSLI bearing.
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