If it just once to be a case fan that moves a lot of air relatively quiet, it can really only this existence. Quiet and durable than your competition and with 100 m³ / h of Duch sentence is also strong. Good and cheap alternative to the more expensive be quiet series and to the fans of EKL and Noiseblocker. No gesleevtes but bundled stable black three-wire cable. Really very little vibration or no vibration and relatively little flow noise. A PWM version would be desirable, since the höherwetigen models difficult to fit CPU coolers.