Features: arge air volume design, 1500Rpm stable airflow-, low noise and large air volume. brand new and high quality 12cm Slim design 45CFM large air flow, especially designed for small form factor build with only 25mm thickness. 2-wire terminated with XH2.54-2Pin connector for power supply; meet connection needs (Red wire : positve, Black: negative) Optional voltage: 5V/12V/24V for DC Current: 0.32Amp Power: 1.6Watt dual ball oil bearing fan Suitable for a variety of application scenario , such as installing on CPU air-cooled and water-cooled radiators that require a 12cm fan, or as a chassis fan. Specifications: Size: approx 12x12x2.5cm/4.72x4.72x0.98in Bearing: Oil Bearing Service life: 28000hours Voltage: 5V / 12V / 24V Power: 1.6W Current: 0.32 A Speed: 1500RPM Air Volume 45CFM Package Includes: 1 PC x Blower Fan note: Please allow 0-1cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.