Corsair Air Series SP120 PWM Quiet Edition - Twin Pack<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"> The SP120 Quiet Edition， at full RPM， is an extremely quiet 23dBA while maintaining an impressive 1; 29mm/H2O static pressure level </span></li><li><span class="a-list-item"> 4-PIN PWM Support for increased fan speed control </span></li><li><span class="a-list-item"> Seven wide body， low-pitch custom blades for optimal static pressure at very low noise levels </span></li><li><span class="a-list-item"> Custom fan enclosure for ducting air in the right direction with minimal interference </span></li><li><span class="a-list-item"> Advanced Hydraulic Bearing for reliable， quiet operation </span></li><li><span class="a-list-item"> Rubberized corners for sound damping when installed with standard screws </span></li><li><span class="a-list-item"> User-replaceable colored rings so you can match your fans to your case </span></li><li><span class="a-list-item"> Available in single or twin packs </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51AHPQe6iBL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51InIdoFS6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dzGmf-ybL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/511%2BkJLeQWL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Pv79wQYwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WDuLrhSEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iM6Zve67L.jpg" noproxy>