Applies to: RLN16-410, RLN8-410, RLN4-210W.
If you want to install or replace the fan of NVR, please check the steps:
Step 1. Please connect the fan to the marked part in the picture.
Step 2. The dimension of the fan should be 40*40mm like the following picture.
Note, only older version of Reolink NVR has fan.