Akasa SOHO AR14, 140mm 4-Pin PWM ARGB PC Cooling Fan, Low-noise Computer Case Fan, 5V Motherboard Compatible, Heatsink and Radiator, Black, AK-FN119

[ Over 16 Million Colour Combinations ] - Maximise your aesthetic with a multitude of visual possibilities with aRGB. Compatible with Gigabyte, Asus, Razer, MSI and ASRock lighting software. [ Optimised Sickle Blade ] - 140mm fan with improved blade curvature which provides superb aerodynamic efficiency with excellent air flow( Up to 81.7 CFM) and air pressure( Up to 1.93 mm H2O). [ Powerful PWM Cooling ] - Intelligent PWM speed control ensures that the fan cools your system efficiently, staying quiet under lower loads and performing effectively otherwise. [ Silent Operation ] - Akasa aRGB fan with reinforced frame and anti-vibration pads which add rigidity and minimise the transmission of vibrations whilst turbulence and noise. [ Advanced HDB Technology ] - New MHD Bearing features smoother rotation which extends fan life and reliability up to 40,000 hours and a lowering fan noise.