Is it possible to pull an internal SATA from an external USB drive?

[gvidas]

I'll second the "probably."

I recently went the other direction -- bought a SSD for my laptop, and an external enclosure for the HD that it replaced.

I can't remember ever taking apart an external drive and not finding a standard internal drive inside, but I haven't done it that much.

It seems like something you should be able to find on the manufacturer's spec sheet.