Noctua SSO Bearing Fan Retail Cooling NF-R8 redux-1800 PWM<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"> Tens of thousands of quiet cooling enthusiasts around the globe swear by Noctuid's classic NF-R8. Thanks to its impressive quietness， excellent performance and impeccable quality， the NF-R8 has become an established reference for quiet 80mm fans. </span></li><li><span class="a-list-item"> The redox product line reissues some of Noctuid's most popular， award-winning models. </span></li><li><span class="a-list-item"> Supporting fully auto. speed control via PWM， the fan uses Noctuid's custom designed NE-FD1 PWM IC that integrates Smooth Commutation Drive (SCD) tech. SCD suppresses PWM switching noises &amp; thus makes the fan quiet at lower speeds. </span></li><li><span class="a-list-item"> Combining the proven concept of hydrodynamic bearings with an add'l magnet that supports the self-stabilization of the rotor axis， Noctuid's time-tested SSO-Bearing tech </span></li><li><span class="a-list-item"> Users can choose from Noctuid's wide range of optional accessories such as anti-vibration mounts， Low-Noise-Adaptors， y-cables， 3:4 pin adaptors or extension cables to upgrade redox edition fans according to their individual needs. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51RJYG2xRUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/417v9ejLm3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cLjCj1LLL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Yz%2B44kbsL.jpg" noproxy>