Cryorig QF120 Silent 120mm PWM Fan 200 - 1000RPM CR-QFB<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Proprietary Quad Air Inlet system features four strategically placed aerodynamic air inlet that allows for extra air intake. </span></li><li><span class="a-list-item"> HPLN (High Precision Low Noise) bearing system， offering stable and precision rotation eliminating excess vibration and noise. </span></li><li><span class="a-list-item"> Four pin Pulse Width Modification (PWM) RPM spin speed control ultra wide range RPM settings. Roughly 34% more selection range than the system fans from competitors. *some RPM speeds are only available through PWM control. </span></li><li><span class="a-list-item"> Integrated Vibration Absorbers built in， nullifies fan vibration. </span></li><li><span class="a-list-item"> Ultra low RPM speeds of 200~1000 RPM with the minimum noise level of 5 dBA. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TWeVPPCML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41S30aYRsOL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31ceggaKlQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wK4jxHo6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41eM67bIu6L.jpg" noproxy>