Silverstone Tek 80mm Ultra-Quiet PWM Fan Cooling FQ81<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"> Optimum airflow， pressure and extremely silent performance </span></li><li><span class="a-list-item"> PWM design allows 1200~2800rpm fan speed control by motherboard </span></li><li><span class="a-list-item"> Mixed fan blade design for noise reduction </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/31VW72R7wmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BEluQ7mNL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/315zvyEZs0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LuVVtuibL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41cW6C%2BgoGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21xN3CDgwlL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41hOLsn%2BW2L.jpg" noproxy>