Rosewill 140mm Computer Case Cooling Fan with LP4 Adapter RFBF-131411<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"> Fan Size: 140mm </span></li><li><span class="a-list-item"> Bearing Type: Fluid Dynamic </span></li><li><span class="a-list-item"> Air Flow: 48.7 CFM </span></li><li><span class="a-list-item"> Noise Level: 23 dBA </span></li><li><span class="a-list-item"> 2 Pack </span></li><li><span class="a-list-item"> This 140mm case fan keeps the noise level down to 23dBA for silent operation </span></li><li><span class="a-list-item"> Fan Size: 140mm </span></li></ul><!--   Loading EDP related metadata  --><div aria-live="polite" class="a-row a-expander-container a-expander-inline-container"><div aria-expanded="false" class="a-expander-content a-expander-extend-content" style="display: none;"><ul class="a-unordered-list a-vertical a-spacing-none"><li><span class="a-list-item">Bearing Type: Fluid Dynamic</span></li><li><span class="a-list-item">RPM: 1200RPM +/- 200RPM</span></li><li><span class="a-list-item">Air Flow: 48.7 CFM</span></li><li><span class="a-list-item">Noise Level: 23 dBA</span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ne2crDJIL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415m%2BcM1lVL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21q6HHFDlFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41mwGL33K6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BNsyhBjtL.jpg" noproxy></div></div>