There’s a trick to thoroughly wiping all your data before you junk your old external solid state drive—or even computer.

Secure Erase and HP Disk Sanitizer are tools used to remove data from a hard drive or solid-state drive permanently. The deleted information cannot be recovered. Use Secure Erase or HP Disk Sanitizer ...

What this means is that the deleted file is not fully gone and can still be recovered. It's only when the data is overwritten ...