Buying a portable hard drive

When we went over backing up I suggested that the purchase of a portable hard drive would be a good idea, today we are going over the statistics of the portable hard drive and how they affect your storage.
 
Capacity: usually stated on the box usually measured in GB or TB, this is essentially the amount of storage that the device has. Thus the more storage the better and a TB are larger than a GB and tend to be more expensive.
 
Powered: Hard drives need electricity to function especially to read/ write to the drive. There are two ways portable hard drives achieve this need:
 
Plug and play: these portable hard drives are powered by the system it is connected to thus does not need an external power source, this makes the hard drive mobile.
 
Powered: these hard drives have both a connector cable to the computer as well as an additional cord for power intake. These kind of portable hard drives are less mobile due to the cords but tend to have larger capacity.
 
These are the main factors that a customer should primarily think about but make sure that your system meets the system requirements of the drive you are thinking of buying, this can be simple due to nature of portable hard drives but make sure to check.
 
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