Evercool EC8038HH12BP 80mm x 38mm Hi-Speed Dual Ball Bearing PWM 4 Pin Fan Includes 4 Pin PWM to 4 Pin Molex Adapter + Mounting Screws Fan Speed: 2200-6500 RPM Connector(s): 4-Pin PWM + 4 Pin Molex Adapter Bearing Type: 2 Ball Bearing Fan Diameter: 80mm x 80mm x 38mm