The Phanteks SK PWM D-RGB 140mm fan has a stylish sleek look & has been optimised for airflow thanks to its nine blade design The fan will complement the Eclipse line of PC cases in particular but is ideal for anyone looking to have a fan that is both aesthetically impressive & solidly constructed Indeed this D-RGB model can futher enhances your case's look thanks to its 12 integrated LEDs which can generate a variety of illumination effects As a PWM fan (Pulse-Width Modulation) its rotation speed can be user controlled by connecting the fan to a compatible motherboard or Phanteks controller As a result users can choose whether they hey want the fan to run quietly or have enhanced airflow Rubber dampeners included with the fan help further reduce fan noise THE PHANTEKS PWM SK 140MM FAN AT A GLANCE140mm D-RGB PWM fan Nine blade design optimised for air flow Rubber dampeners for stability & quiet operation Ideal for use with the Phanteks Eclipse PC cases SPECIFICATIONFan Dimension (Wx Hx D) 140 mm x 140 mm x 25 mm 472 in x 472 in x 098 in Bearing Type Rifle bearing Blade Geometry Nine Blades Design (matte white) Rated Voltage DC 12 V Operating Voltage Range 4 13VPWM Yes Rated Current (Ampere) 100 015A &177;002 Locked Curent Brake Protection Power Consumption 264W 10 Max Speed 500 1500 5 -10 RPMMax Airflow 845 CFM (ft 3min) Max Air Pressure 123 mm H2 O Noise Level 36 d B (A) Fan Connector 4 Pin PWMCable Length 550 mm 2165 in D-RGB Connector 3 Pin D-RGB Daisy-Chain Connectors D-RGB Cable Length 300100 mm 11839 in LED Number 12 (D-RGB)LED Rated Voltage DC 5V (5VDGND)LED Rated Current Max 036A &177;004MTBF 40 000 hrs Weight 1982g