Thermaltake CT140 PC Cooling Fan (2 Pack), Daisy Chain Design, speeds up to 1500 RPM, 140 mm Hydraulic Bearing Fan, Anti Vibration mounting, CL F148 PL14BL A,Black

Redefined 7-blade Fan design for optimized CFM and mm-H20 Air pressure Daisy-Chain design with less cables and fewer ports required PWM control with fan speeds up to 1500 RPM Optimized Hydraulic bearing for reliable silent operation Anti-vibration mounting system with solid structure frame