Safely ejecting SD cards and USB flash drives is standard practice to avoid potential data loss - at least on the surface, ...

Select Unmount: Choose the "Unmount SD Card" option to safely disconnect the SD card from your device. Remove the SD Card: Once unmounted, you can safely remove the SD card from the slot.

How to eject an SD or memory card from a Chromebook Another way to move files from device to device is to use an SD or memory card. The method to eject it is the same as a USB drive.