Noctua NF-A20 FLX premium-quality quiet 200mm fan<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"> Award-winning A-series design with Flow Acceleration Channels and Advanced Acoustic Optimisation frame for superior quiet cooling performance </span></li><li><span class="a-list-item"> Large 200mm diameter for high airflow performance at extremely low noise levels， three sets of mounting holes (154x154， 170x170 &amp; 110x180mm) </span></li><li><span class="a-list-item"> 3-pin FLX version provides 800/550rpm speed settings via Low-Noise Adaptor to fine-tune the fan for maximum airflow or near-silent operation </span></li><li><span class="a-list-item"> Includes anti-vibration mounts， fan screws， extension cable and 3:4-pin adaptor for powering the fan directly from the power supply </span></li><li><span class="a-list-item"> Trusted Noctua quality backed up with 6-year manufacturer’s warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/518vy7SxruL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51SEkiZzl2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41vghmvlh9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41j8hZ3agzL.jpg" noproxy>