I've spent so much time with 20 Gbps external drives that I forgot the simple unassuming ... In fact, at the time of writing, you can pick up a 2 TB version such as the one being reviewed here ...
The name may be quirky, but the WD My Passport, Works with USB-C is a capacity champ among portable external ... 1TB (1,000GB) hard drive would run you about 6 cents per gigabyte, while an $80 2TB ...
Example: A $60 1TB (1,000GB) hard drive would run you about 6 cents per gigabyte, while an $80 2TB (2,000GB ... but these days, most external hard drives use a flavor of USB or, in rare cases ...