Antec Tranquil 140, 140mm x 25mm Case Fans, PWM 1500RPM, 85.96CFM, 1.79mmH₂O, 4 Pin Connector, Fan, Series Single Pack

Nine Scythe-Shaped Fan Blades for Stable Operation & Reduced Gap Between Frame and Blades for Enhanced Cooling Fluid Dynamic Bearing for Extended Lifespan & Eight Anti-Vibration Rubber Pads Tranquil yet Powerful – 1500RPM, 85.96 CFM & 27.5 dB(A) PWM Daisy-Chain Design with Extension Cable Included Durable Braided Nylon Sleeving