Features: 1.3pin + 4pin interface design, easy to link the motherboard and the governor or power supply head. 2.Using high quality hydro bearing has higher reliability. 3.120mm cooling case fan for computer. 4.Case fan power by 12V DC. 5.With PG speed measurement, more damage can be avoided under abnormal operation. specification:Description: A perfect fan for your computer. Case Fan is the ideal solution for you to cool your computer. Great performance and add unique style to your computer cases. Can into any standard 120mm fan hold. Your computer will run quietly and cool at any condition. 1. 3pin + 4pin interface design, easy to link the motherboard and the governor or power supply head. 2. Using high quality hydro bearing has higher reliability. 3. 120mm cooling case fan for computer. 4. Case fan power by 12V DC. 5. With PG speed measurement, more damage can be avoided under abnormal operation. s: Condition: 100% Brand New Name: 12cm Cooling Fan Voltage: 12V Current: 0.4A Speed: 1200 RPM PG: Speed Measurement With PG Size: Approx. 12 * 12 * 2.5 cm / 4.7 * 4.7 * 0.9 in Bearing: Hydraulic Bearing Interface: Large 4pin, Small 3pin Color: Black, Red, White (Optional) Weight: Approx. 161 g Material: ABS Package Included: 1 x Cooling Fan 4 x Screws Notes: 1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding. 2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.