From DJI’s website,
For mavic zoom
Micro SD™
Supporting Micro SD with capacity up to 128 GB and R/W speed up to UHS-I Speed Grade 3Recommended microSD Cards 32G
Sandisk V30
Sandisk Extreme V30 Pro
64G
Sandisk Extreme Pro V30
128G
Sandisk Extreme V30
Sandisk Extreme Pro V30
Kingston Canvas Go...