Buy an external hard drive - they know what to look for

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When you need an external hard drive, there are many technical terms, as all the Chinese on how to unless they know what they do. I have listed the differences in this list:

Capacity - usually between 160 GB and 2 TB right now
Speed - either 5400 or 7200 rpm
Cool - a couple of external hard drives">hard drives without fans are so more heat
Interface - usually USB external hard drives">hard drives
Warranties

Let go of these points one by one, so you know what questions you are in doubt.

Hard drive capacity

The capacity of the disks depends on what you need to use the hard drive. - If your laptop has a 160 GB drive in yours, it is very likely that your partner has a similar disc and when you add memory, which some is also undoubtedly Disc with the goal, at least for the 500 GB.

If youregarded as data formats grow continuously, you can do the math. A rule of thumb, go for twice the data that you absolutely need.

Speed of hard drives

normal disks or 5400 7200 revolutions per minute to run, and a few minutes at 10,000 rpm SCSI disks running. These units are quite expensive, so it would not normally home users through. But with the Web hosting server or the network speed is paramount. When you walk through thousands of fieldsin a database, you need a hard drive that runs at speeds enough.

If you consider the fact that Windows files using the hard disk for temporary, you need speed. Discs for both laptops and your goal should 7200rpm external -.

Cool - you need a fan

If you're not a fan of the album is hot. Heat is one of the worst things for all electronic circuits. Hard to burn, even when very hot.You do not want this to happen to all your important documents or reports in order to take care of your CD.

Interface - USB cable for connection usually

Usually used for external USB hard drives, but there are also other formats such as external SCSI, etc. If you need to select an external USB hard drive that requires not only the power cord from your employee. Both can be useful, but you need to power your laptop safe enoughIf you connect the external drive.

Guarantees on CD

The guarantees are usually a sign of quality. A record that one-year warranty comes with a 5 is usually better than one in which only two years. If you drive, in the end the choice between two almost identical warranty should be an important factor.

In conclusion

I gave you the key information you need to make a wise decision on your needs.Are you ready to visit your new electronics and external hard drive.