Fractal Design Dynamic GP-12 Black case fan FD-FAN-DYN-GP12-BK<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Featuring hydraulic bearings; a cost-efficient compromise between a standard sleeve bearing and a true FDB bearing</li><li>Equipped with a counter-balancing magnet in the hub that reduces the axial tension on the bearing， further protecting the longevity of the bearing</li><li>Optimized fan geometry for a good balance between static pressure and maximum airflow， resulting in good performance in all usage scenarios</li><li>The customized design of the Dynamic Series fans contributes to a beautiful， cool build</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31l10PcE0-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31NfivTlL-L.jpg" noproxy>