The Delta Thermal / EMI / Solenoids part AFB0405HHA-A is a compact and efficient DC fan designed with an axial ball bearing system. With an operating voltage range of 4.5V to 5.5V, this fan ensures reliable performance and is suitable for a variety of applications. Measuring at 40 x 40 x 10mm, it offers a compact size while delivering a maximum airflow of 8.15CFM, keeping your systems cool. Despite its powerful performance, the fan operates quietly with a noise level of only 31.5dB. Trust in Delta Thermal / EMI / Solenoids to provide you with a high-quality fan that meets your cooling needs efficiently and reliably.