External hard drive advice, please

You mean for approximately 1 document or 1 image. I would totally expect that for 10 TB you were
a) still copying data because

b) that “thing” wouldn’t pass verification of the just copied 10TB of data because it’s a total SCAM. You can’t even get a naked 10TB HDD for that price, which everyone knows, is the cheaper technology than SSD. Maybe it may pass as a 100GB thumb-drive. See also (this somehow familiar looking 2TB SSD which was also not worth it’s money):