Most flash drives offer between 2GB (gigabytes) and 64GB of storage space, depending on which model you buy. What is a Flash Drive?Ī USB flash drive is a small external device that plugs into your laptop, camera, or phone in order to save digital data. However, don’t rule them out quite yet! Take a minute to learn how these drives work and just why you should own at least one. In a world of Google, cookies, and cloud storage, it may seem like flash drives are outdated technology. Unfortunately, sometimes things crash, which is why you should always have a backup. When you shut down your laptop for the day, you expect to log back in tomorrow and find all your files, photos, and saved data still there.