The size, weight and capacity of the external hard drive has changed quite a but since they came to the consumer marketplace approximately 25 years ago. Back then, they were very heavy, awkward in size and expensive. External drives are simply a hard drive that resides outside of the actual computer box. An external drive connecting to a machine via a USB port is referred to as a "USB hard drive." The purpose of the drive is simply an extra hard drive for computer system that can be disconnected and relocated and reconnected at will. The hard drive is quite versatile for the average user, and has even more uses for those who have very important data files they use for business that need to be accessible at a remote location. There are multiple aspects to an external hard drive, that can affect a purchase decision so let us take a look at a few of them.

Size

An external hard drive takes up only a small amount of space, as their purpose is to reside outside the computer. In terms of dimensions , the drives look similar to an external DVD drive that have become popular in recent years. The hard drive within a computer is fairly small and an external hard drive is simply the same hard drive, but has a protective casing. Since the [spin] portable hard drive is small, you can easily find room for it on your desk. This convenience allows you to take it with you to another location or conceal it if you need to.

Storage Capacity

The storage space is really the biggest factor when looking at an external hard drive. External hard drives are found in a multitude of storage capacities. Those who wish to have a smaller size hard drive can find one that stores 100 gigabytes (GB) and the largest drives are 1 terabyte (TB) in size, which translates into 1,024 gigabytes. Naturally, this is a massive amount of storage space that someone would need if they store and edit large movie files. Whatever your storage needs are, you can find an external hard drive that suits your personal situation.

Price

The price of an external hard drive varies widely depending on the storage capacity and brand name. The external hard drives that are smaller in capacity will obviously cost less, while those hard drives that are larger in capacity, say 1TB, will be the most expensive. Expect to pay as little as $10 for a 1GB drive or as much as $600 for a 1TB drive. This will always be in proportion to the storage capacity.

Ease of Connectivity

One of the biggest benefits of owning an external hard drive is the fact that it has simple connectivity. The hard drive can be easily connected to nearly any computer. All you have to do is attach the USB cable to any one of your USB ports. Any computer will immediately recognize the hard drive, this means any file on the hard drive can be opened on nearly every computer. This connectivity makes it effortless to move files from one computer to another, or the ability to back up your favorite family photos.

Benefits

If you are looking to make a backup your own files, an external hard drive is the way to go. An external hard drive allows you to keep an additional copy of any file you do not want to lose. By having an extra copy and should one of your drives fail, perhaps the key benefit of having an external hard drive.

External hard drives are hands down the best way to move or store your files. While CDs and DVDs, and even Blu ray discs can store large files, the CDs may easily be lost, scratched or broken . The casing that encloses an external hard drive will keep the drive safe, from accidental bumps or liquid spillage from a cup of coffee . External drives are a staple for anyone who owns a PC.

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