?Cooling fan specifications?Rated voltage:DC 12V;Rated current:0.1A; Speed: 5000RPM; Air flow: 14.5CFM; Noise:31dBA;Connecter: XH2.54-2Pin ?Dimensions of Computer Case Fan?50x50x20mm(1.97x1.97x0.79 in).Please confirm the size and voltage of the fan before placing an order,Choose what you need ?Widely used?Designed specifically for projects that require cooling or ventilation, or as a replacement fan for various products. Such as 3D printers, computer cases, audio and video receivers, heat generating cabinets, industrial machinery, arcade systems, etc. ?High performance?UL-certified cooling fan with dual ball bearings has a service life of 50,000 hours, has strong airflow, and can quickly dissipate heat ?Packaging & Warranty?You will receive 4 pcs 5020 cooling fans. If you have any questions, please feel free to contact us, we will provide you with satisfactory service