How to choose an external hard drive?

Some time ago, transfer files from one computer to another is a big problem: there was no flash cards, high speed Internet, disks, so they had to dismantle the system unit, remove the internal hard disk directly, and then connect it to another PC. Today there are so many different hard drives, the choice of which should take into account some points.

External Hard Disk ADATA Nobility NH92 2.5" 1TB USB 2.0

External Hard Disk ADATA Nobility NH92 2.5″ 1TB USB 2.0

Memory Size
Directly depends on the amount of memory, how much information will fit on the disk. If you keep a large amount of information, it is best to buy a couple of hard drives. Then, if fails, you can always use the backup.

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HDD (Hard Disk Drive)

HDD (Hard Disk Drive), hard disk or hard drive – a device designed for permanent storage of the computer. It belongs to the non-removable media.

IDE hard drive

IDE hard drive

The two major types of hard drives : IDE , SCSI and SATA .
IDE – old, kind, loyal friend. Used to this day.

SATA – also pretty good drives. They can be low-speed (5.4 thousands of revolutions per minute) and high speed (7.2 thousands of revolutions per minute). For home use is usually used one of these hard drives.

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