Antec Tranquil 140 PWM 14cm Case Fans (3-Pack) Fluid Dynamic

DescriptionSpecificationType: 14cm Case FanFan Connector(s): 4-pinFan Controller: PWM#Hide#LED Lighting: NoColour: BlackLED Lighting: -Fan Dimensions: 140 x 140 x 25 mmRotation Speed: 450 - 1500 RPMFan Bearing: Fluid Dynamic BearingAir Flow: 21.13~85.96 CFM#Hide#Type 2: Case FansNoise level: 18.6~27.5 dB(A)Power: Rated Voltage: DC 12 VOperation Voltage: DC 7-13.8 VRated Current: 0.12 (MAX:0.20) AAdditional Features: See OverviewMTBF: "50,000 hours"Package Type: RetailPackage Weight: To be confirmedWarranty: 3 Years#Hide#Multipack: Yes (multipack)%%%% Tranquil 140 PWM Fans (3-Pack) Unique fan blade and frame design Minimal clearance between fan frame and blades Fluid Dynamic Bearing Vibration-Absorbing & Anti-Noise Pads 500mm 4-Pin PWM Daisy-Chain Cable PWM Extension Cable Included       Tranquil & Powerful Unique fan blade and frame design offers powerful airflow with low noise accomplished.     Exquisite Craftsmanship Minimal clearance between fan frame and blades, achieving maximum operational efficiency.         Fluid Dynamic Bearing Reduces friction between shaft and bearing for longer life and minimal noise.         Vibration-Absorbing & Anti-Noise Pads Equipped with eight damping feet to prevent resonance, reducing noise effectively.         Cable & Connector Durable Woven Wire - Covered with durable wovenwire to enhance the lifetime & create unique aesthetics. 4-Pin PWM Daisy Chain Cable - Cable Length: 500 mm PWM Extension Cable Included