ROCKSOUL 120mm (120x120x25 mm) Blue LED Case Fan, Transparent (Model# DCF-104120BL) Gaming Pc and Normal Pc Cooling Fan with 4 scews included Optimized for extreme airflow 120mm fan with minimal speeds of 1800+/- 10% RPM. Low noise level of 25 dBA with exceptional airflow at 64.6 CFM. Bearing Type: Long Life Bearing. Fan Dimension (L x W x H): 120 x 120 x 25 mm (4.72 x 4.72 x 0.98)