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What to Look For in the Best External Hard Drive

computer & technologyToday we keep more than ever on our hard disks: work, passwords, home movies and digital photos.

Is our data safe on our hard disks? Not really, hard drives have many moving parts and are therefore fundamentally prone to break downs. On top of that they can also be damaged physically, by for instance fire or flood, or by malicious software.

Clearly what everyone needs is a reliable, easy way to backup their files. I suppose you could backup your data to flash drive or DVD. But only an external hard drive has both the speed and capacity that you need. Using either a package that you bought or the software that came with your drive, you can setup your system in such a way that your files are backed up, regularly and automatically.

eSATA external hard drives:

The bus to a standard hard drive has always been a bottle neck, slowing connection to your disk drive. Running at twice the speed of a conventional Firewire or USB connection the eSATA bus will give you the fastest connection to your external hard drive. The problem is that this only works with newer computers. So check your motherboard booklet to see if your PC supports eSATA. If it does I recommend going for an eSATA hard drive.

Wireless external hard drives:

Another option is a wireless hard drive. The benefit of using this is that you can put it anywhere in your house and everyone can use it.

Your hard drives speed:

A hard drive's speed is measures in RPM(revolutions per minute) a fast drive rotates at 7,200 RPM. There are also 5,200 RPM drives on the market. They are fairly fast, but more reasonably priced.

Disk Space

The maximum size of an external hard drive is currently 2 TB(Terabytes). The size that you get really depends on your needs. Personally I have a laptop and a computer at home. They are connected with a LAN network and files from both devices are backed up to my 500 Gig external hard drive on a weekly basis.

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