The latest portable hard drives have astonishing capacity--and some new features. Here’s what to look for in a miniature storage device.

After considering 20 different portable hard drives from a variety of manufacturers and reading every review we could get our hands on, we decided the Western Digital 2TB My Passport Ultra is the ...

The advantage of that is unlike most external hard drives that use a larger 3.5-inch drive, the 5TB Backup Plus Portable doesn’t require a separate power source, making it a truly mobile device.

USB 2.0 portable hard drives are common and ideal for compatibility, but are slow performers. Upgrading your portable hard drive to a USB 3.0 enclosure will increase its performance significantly.

After spending 21 hours researching and testing and shuffling thousands of files across eight drives, we found that the best portable hard drive for most people is the 2 TB Seagate Backup Plus Slim.

We looked at 22 portable external hard drives. Here's a listing of all 22 products that we tested.

Yes, storage drives can be beautiful Not surprisingly, though, all of that beauty (no, I never thought I'd call an external drive beautiful) comes at a price. You'll shell out $280 for the ...