The Phanteks M25 Gen2 Triple Pack comes packed with features previously only seen in the highest end fans. It's Daisy-chain Unified Fan Frame easily interlocks with the next fan to link multiple fans together into one. With its blades designed specifically for high airflow performance on radiators and heat sinks, the M25 Gen2 excels where it matters. Delivering low temperatures with a clean look to elevate your system. Fan Dimension : 140 x 140 x 25 mm (LxWxH). Wind Direction: Regular. Color: Black Fan Blade / Black Fan Frame. Frame Material: PBT (Polybutylene Teraphthalate). Blade Material: PBT (Polybutylene Teraphthalate). Fan Connector: 4-pin PWM. Fan Cable: 140mm Daisy-chain. Bearing Type: Hydraulic Bearing. Max. Airflow: 101.78 CFM. Max. Static Pressure: 2.23 mmH2O. Max. Sound Level: 36.4 dBA. Motor Type: PWM, 2-Fase/4-poles. Speed Range: 350-1800 plus minus 10% RPM. Motor Voltage: DC 12V, 6-13.2V. Motor Current: 0.28A (Max: 0.30A). Motor Power: 3.36W. Motor Safety Protection: Polarity Protection. MTTF: 40000hrs at 50 degree Celsius.