DC Brushless Fan 12V: 12V fan employed for cooling computer components, such as 3D prints, orange pi 5 plus case, PS4 Pros and laptops, and serving as exhaust fans for different setups
12V Fan: 40x20mm size ideal for 1U servers or replacing fans in network and storage equipment (routers, switches, NAS, NVR, etc.) or other devices such as DVRs
3Pin Fan Specifications: Size - 40mm x 40mm x 10mm (1.55 x 1.55 x 0.39 in) per unit. Operating Voltage: 12V with a current of 0.06A; Rotation Speed: 4500 RPM; Airflow Capacity: 4.95 CFM; Sound Level: 24 dBA; Bearing Style: Sleeve Bearing; Lifespan: 35,000 hours; Connector Type: 3Pin; Wire Length: 25 cm (or 9.8 inches).
Mico Fan: Good replacement for 3D printers, DVRs, NAS, Server gear , LSI raid controller, motherboard , camera dvr case, other network and storage devices, etc
40mm Fan: 2 Piece fan for equipment cooling, including Xbox consoles and devices in entertainment centers or enclosed spaces. For enhancing ventilation and controlling airflow in computer cases