Fan Model: MGA4012ZB-A15 Appearance size: 40x40x15MM Bearing type: double ball Speed measurement: Speed measurement is not supported Current: 0.20A Power: 2.4W Rated voltage: DC12V Interface: 2 lines Features: Maintenance-free double ball bearings, long life, with adequate cooling air flow and wind pressure Applicable: North Bridge and graphics card cooling transformation, memory cooling, and other uses