PWM controlled, low-noise 140mm Noctua fan with adapter for ultra-quiet operation with a minimum of 9.1 dB (A)Specification:- Material: Plastic- Normal mode: 1200 r / min (min. 300 via PWM), 19.2 dB (A), 115.5 m / h- With LNA: 900 r / min, 13.8 dB (A), 88.7 m / h- Voltage: 12 V- Power consumption: 0.96 W, 0.08 A- Connector: 4-pin PWM- Life Expectancy: 150,000 h- Dimensions: 140(W) x 150(H) x 25(D) mm- Manufacturer Warranty: 6 YearsContents:- 1x Power Adapter (LNA) - 4-pin Y-cable - 30cm extension cable - 4x fan screws - 4x Vibration inhibitors