Corsair CO-9050048-WW ML Series ML140 Pro LED Blue 140 Mm Low Noise High Pressure Premium Magnetic Levitation LED Fan - Black/Blue

Magnetic Bearing: harnesses magnetic levitation technology to provide lower noise, higher performance, and a longer lifespan
Custom Rotor Design: delivers the perfect balance between high static pressure and high airflow, operating flawlessly in the most challenging environments
Extensive Control Range: A 1.600 RPM control range gives you total control between silence and absolute performance
Colour Customization: Replaceable corners mounted to anti-vibration rubber dampers allow you to match your fans with the rest of your build (Available separately in Red, White, and Blue)
Note: ML fans require a constant 12V in order to lift the bearing for it to spin. Do not use using a fan controller that is voltage regulated and not supplying 12V.