Dimensions: 120x120x38 mm ( 4.72x4.72x1.5 in ) Rated Voltage:12V Rated Current: 2.0 A Airflow: 230 CFM Power: 22.8W Speed: 5300 RPM Air Pressure (In H2O): 1.17 ; 1 Piece fan include fan grill and mounting screws & nuts Dual-ball bearings have a lifespan of 67,000 hours and allows the fans to be laid flat or stand upright. High Speed: This model is designed to maximize airflow and can be too loud at full speed for some applications. High airflow static pressure fan designed for projects that requires cooling or ventilation; or as a replacement fan for various products such as antminer case , gaming PC and mining machine, server CPU Case, chassis. Connector: 4PIN; (+): Red Wire ; (-): Black Wire. FG functionYellow Wire; PWM: Blue Wire; Warranty: One-year quality assurance. Please contact us If the product has any quality problems, it will be refunded within 90 days or replaced within one year.