3 to 4-pin adapter   9.2CM AMBER SERIES CASE FAN For performance and quiet. The distinctive amber colour rotor blades are designed with low air impedance, which gives the ultra quiet acoustic experience. Twin ball bearing gives consistent performance and long life. 6, 8, 9.2 and 12cm case fans with style. PaxPower Ultra Quiet Amber Series Twin Ball bearing for reliability Precision balanced low air impedance fan blades Long Life case fan  Application  PC Case fan  Fan dimension  92 x 92 x 25mm  Fan speed  1400 R.P.M.  Fan airflow  29.0 CFM  Fan air pressure  0.9mm H20  Fan life expectancy  80000/hrs  Bearing type  Twin Ball Bearing  Connector  3-pin with RPM sensor wire  Voltage rating  12V  Noise level  18.0 dB(A)  Product code  AK-184-L2B 3 to 4-pin adapter 4 case screws