Corsair ML140 PRO RGB, Case Fan, Compatibility Case, Fan Size: 140mm, Bearing Magnetic Levitation Bearing, RPM 400 - 1200 RPM +/- 10%, Air Flow : 55.4 CFM, Noise Level 20.4 dBA, Power Connector 4 Pin, Black, LED RGB. The CORSAIR ML140 PRO RGB PWM fan combines unrivaled performance and low noise operation, by utilizing magnetic levitation bearing technology, with vibrant RGB lighting controlled in CORSAIR iCUE software.