[Proud_texan]

"you could just leave the “old” drive installed"

And also use it to backup the primary drive.

It took years but I have retired all my tape systems. I do backup to multiple external devices (USB and NAS) but I'm all disc backup media finally (old habits die hard).

[DuncanWaring]

And also use it to backup the primary drive.

I suspect that since it's six or seven years old it's too small to be useful for any significant backup capability.