Purging data from an erased USB stick drive

I have a Coobo 1Tb USB drive (bought for £16 on Amazon). It has been erased with 2 passes in Disk Utility but still shows as having 13Mb of "purgeable" data on it.

As per best practice when using devices bought online (or anywhere 🙂) I thought it best to wipe the drive in this very thorough way. Erasing with 7 passes would take too long, like weeks!

I don't know what the 13Mb of data would be as the drive is new and has never been used.

I do not know how to purge any purgeable data from it either.

Any advice appreciated, thanks.

MacBook Pro 15″, macOS 10.15

Posted on Apr 19, 2024 10:11 AM

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Purging data from an erased USB stick drive

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