Item specifics Brand Name: Delta Application: Computer Case Model Number: AFC1212DE Type: Fan Heatsink Material: Copper & Aluminum Compatible CPU: yes Package: Yes Lines: showed as above pic Product Description Model: AFC1212DEForFan P / N: D8794Lead: 4-wire (support pwm)Voltage: DC 12VCurrent: 1.60ASpeed: 4000RPMAirflow: 154.5CFMNoise: 45.4dB-A Packaging Details Unit Type: piece Package Weight: 0.8kg (1.76lb.) Package Size: 15cm x 15cm x 5cm (5.91in x 5.91in x 1.97in)