Model BLD-12025S1M Fan Dimensions 120 x 120 x 25mm (l x w x h) LED 4 Blue LEDs Bearing Type Sleeve Bearing Fan speed 2,000 RPM +/-10% Fan Noise level 38.0 dBA Max. Fan Air Flow 79.8 CFM Max. Fan Air Pressure 3.02 mmH2O Rated Voltage 12 V Rated Current 0.35 A Rated Power 4.20 W Power Connector 3-pin motherboard; 4-pin power supply Life hours 30,000 hours Application Second case fan or other purpose 4 blue LEDs Wire coating RoHS compliance for protecting the environment 3 pins /4 pins connector