Delta Electronics High Speed 5V PWM Fan 60x60x13mm 4-Pin Connector AFB0605HC-CDW
Black Wire = "negative"
Yellow Wire = "positive"
Green Wire = "Tach Output / Speed Sensor"
Blue Wire = "PWM / Speed Control"
Dimensions: 60x60x13 MMVoltage: DC 5VOperating Voltage: DC 4.5 - 5.5VCurrent: 0.29A, (Max. 0.4A)Input Power: 1.45W Max. 2WMax Speed: 4200 RPMMax Air Flow: 21.22 CFMNoise: 35 dBABearing: BallTermination: 4-Wire