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
Mico Fan: Good replacement for 3D printers, DVRs, NAS, Server gear , LSI raid controller, motherboard , camera dvr case, other network and storage devices, etc
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
3Pin Fan: Dimension 40mm x 40mm x 10mm / 1.55x1.55x0.39 in. per fan. Rated Voltage:12V 0.06A; Speed: 4500RPM; Air flow: 4.95CFM; Noise:24dBA; Bearing type: Sleeve Bearing ; Life: 35000 hours; Connecter: 3Pin; Cable Length: 25cm Or 9.8 inches
40mm fan: Pair of fans used for cooling various equipment, such as Xbox consoles and devices in entertainment centers or enclosed areas. Used to improve ventilation and manage airflow in computer cases.