If your built-in solutions aren't cutting the mustard anymore, it's time to pick up an extra drive. We've been hunting down ...

ROTATIONAL SPEED. If you're talking about a rugged platter hard drive, as opposed to an SSD, drive rotation speed matters—but only a little. It's the rate at which the physical platters inside ...

The very fastest hard drives may be on the pricier side ... Speeds aren't as pacy as the average SSD, and it's a weighty, bulky device – weighs 1.4kg and measuring 41 x 133 x 210mm.