Noctua A-Series Cooling Fan Blades with AAO Frame， SSO2 Bearing (NF-A4X10-FLX 5V)<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"> 40x40x10mm axial fan， 4500rpm， 3 pin， runs at 5V </span></li><li><span class="a-list-item"> Featuring advance aerodynamic design measures， delivers high airflow at low noise </span></li><li><span class="a-list-item"> Integrated Anti-Vibration Pads， 3 to 2 pin adapter included， OmniJoin Adapter Set for easy instalation in case connector calbes are hardwired， 30cm extension cable included </span></li><li><span class="a-list-item"> Long life time， due to SSO2 bearing and smooth commutation Drive 2. 6 years manufactures warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51PvYfLRkSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bxCbY6o1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51z0rpcdyDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41B9roXWQqL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41aH9z0pw4L.jpg" noproxy>