Safely remove hardware and Eject Media feature is beneficial in three ways
- Removing the USB drive when some files are being writing into the drive will definitely corrupt data. That feature will prevent it
- Operating Systems use a write cache to speed up writing into drives, Sometimes OS would not write all the date at the time it receives the write request, but OS might keep it in a cache and write once substantial amount of data is present to write. When we use the safely remove feature OS flushes the cache and writes all the date to the drive.
- A stable supply of power is required for a small time period for a USB device to properly write all the date. It is actually an electrical requirement. That time is not very significant. Therefore this will not affect most of the time
The Good news is
Most operating systems including Windows do not use a write cache for removable drives, which means your removing without using this feature would not do much harm
to your data in the USB drive. But it is better to use that feature unless you are in a big hurry :D
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