Internal, IDE or SATA = best.
USB is mixed bag. Some good, most bad, "slim" are terrible (avoid those).
The Samsung 3.5" bay burners were best USBs, but those haven't been made in a decade now.
Pioneers were decent, also not made new in many years.
I've not looked at USB drives in a while now. Not sure what's currently available in 2020 (now almost 2021).
Buying extra drives is wise.
In terms of future proofing, both SATA and USB will be about the same longevity, and someday will require legacy hardware and OS to use.
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