Before buying a larger card, check how your Reolink camera handles full storage and how far back its current recordings actually go.
Set up a controlled test
Identify whether you are viewing the camera’s microSD recordings or a recorder’s library. Read the overwrite choices on your exact device; Reolink documents different strategies on different products. Do not change the setting or format a card just to find out which library you are viewing.
Read the result
Open playback for that same destination and note the oldest accessible clip. Compare it with the coverage you need. If you need a recording beyond that window, save important clips somewhere appropriate before testing or changing storage. A larger card does not preserve recordings indefinitely if overwrite remains active.
Worked example
If Friday’s clip is gone by Monday but you need to review a full week, compare the same camera and recording mode over several typical days. Use the observed window as a planning input rather than multiplying card size into a guaranteed retention period.
Documentation and next step
See the manufacturer’s instructions for requirements and settings. For a related decision, see reolink time lapse download before storage upgrade.
