Description Specifications Mfr Part Number: 80MM DBB CASE FAN   Features: 80mm Fan – 4 pin Double Ball Bearing (80mm) Plastic DC Double Ball Bearing Cooling Fan for all 80mm computer case cooling requirements 3 pin fan speed signal connector 4 pin power connector Bearing: Double Ball Airflow: 34 CFM Speed: 2600 RPM (avg.) Acoustic Noise: 30 dBA (at avg. RPM) Fan Diameter:  x 80 mm Weight: 70.0 g