Silverstone Tek Professional PWM 92mm Fan with Optimal Performance and Low Noise Cooling FW91<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Unique double curved fan blade design create high air pressure with low noise</li><li>PWM design allows 1500 ~ 2800rpm fan speed control by motherboard</li><li>Air-inlet with optimized aerodynamic reduces noisy air turbulence</li><li>Anti-vibration rubber pads included for additional noise dampening</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41TWe545fxL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QGIFQbXQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41woojjzXyL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RbyJpi4dL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/316bOrOWkML.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31giez6CfcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JxVUt4BQL.jpg" noproxy>