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Fan Noiseblocker PK3 Computer Cooling System
The Noiseblocker PK3 is a high-quality computer cooling fan in a classic matte-black design. Developed from the NB-BlackSilentPro lineage, this model combines a robust glass fibre‑reinforced frame with an anti-dust polycarbonate rotor and modern drive and bearing technology to provide long-term quiet operation and reliable cooling performance.
The fan uses the NB-EKA Plus II wide-range drive and NB-NanoSLI bearings to ensure extremely low operational noise and long service life. It includes an extendable cable management system with combinable plug-in cables (20 + 50 cm), an NB-Silentframe silicone sealing frame and vibration-free, tool-free installation hardware. Additional features include very low start voltage, reverse-pole and overload protection with an automatic restart function, and a six-year manufacturer warranty.
Mount the fan into a compatible PC case or cooling location using the supplied NB-Silentframe sealing frame and installation material for a vibration-free fit without tools. Connect the fan using the plug-in cable arrangement, selecting the appropriate cable length or combining the 20 cm and 50 cm leads as needed. Ensure the fan’s airflow direction matches your system’s cooling layout and connect to the appropriate fan header or controller that supports the fan’s voltage and control method.
Install the Noiseblocker PK3 where steady, quiet airflow is required; verify cable routing to avoid contact with the rotor and allow sufficient clearance around the fan for optimal airflow. Use the fan with compatible controllers or motherboard headers that provide safe voltage/current limits to preserve the NB-EKA Plus II drive and NB-NanoSLI bearings.
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