Pure A14 PWM controlled fans come with 4 color options including red, blue, green and white. Designed for radiator cooling, the Pure A14 LED fans incorporate 9 LEDs, long life hydraulic bearings for silent operation and anti-vibration dampening foam which minimizes vibration and sound. P/N:CL-F110-PL14RE-A FAN DIMENSION: 140 x 140 x 25 mm INTERFACE: 4 PIN PWM SYSTEM COMPATIBILITY: Windows 7 / 8 / 8.1 / 10 FAN STARTED VOLTAGE: 9.0 V FAN RATED VOLTAGE: 12 V RATED CURRENT: 0.27 A (one fan) POWER INPUT: 3.24 W (one fan) FAN SPEED: PWM 500~1500 R.P.M MAX. AIR PRESSURE: 2.05 mm-H2O MAX AIR FLOW: 93.15 CFM NOISE: 32 dB-A BEARING TYPE: Hydraulic Bearing LIFE EXPECTATION: 40,000 hrs,25? WEIGHT: 176 g