Today I am going to introduce 3 pieces 40mm 5v DC cooling fan for you. Ruiapple 40mm 5V cooling fan options are great for cooling single A/V and computer hardware units, or any number of small electronic devices or relay switches. With our large selection of 40mm dc cooling fans you can deliver more airflow, to more places, in more ways than you may think.
| Model | Dimensions | Mai Air Flow | Noise Level | Speed | Input Voltage | Power |
| RA-DC4010A | 40x40x10mm | 4.7 - 7.6 CFM | 15 - 26 DBA | 6000 - 8000 RPM | 5V 12V 24V | 0.6 - 1.68 W |
| RA-DC4010 | 40x40x10mm | 6.2 - 9.4 CFM | 19 - 32 DBA | 5500 - 7500 RPM | 5V 12V 24V | 0.6 - 1.32 W |
| RA-DC4020 | 40x40x20mm | 5.4 - 7.8 CFM | 23 - 31 DBA | 4000 - 6000 RPM | 5V 12V 24V | 0.6 - 1.96 W |
More information please visit here: DC axial cooling fan
