There are some fantastic external SSDs available to purchase for reasonable prices, but unless you really need a lot of storage, you might be wasting your money buying one when a USB flash drive ...
If the external drive is found listed in the Disk Management ... Then go to ‘Change advanced power settings and under USB settings, find USB selective suspend setting, and set it to Disabled.
(1) An external storage or optical disc drive that plugs into the USB port. See portable hard drive. (2) A small solid state storage module that plugs into the computer's USB port. Emerging just ...