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What are External Hard Drives

Nov 13th 2012 at 5:52 AM

The external hard drives , also called external drives , portable hard drives or portable drives are external storage units, consisting essentially of an assembly of hard disk containing box. Because of the many advantages of its use in relation to other options, external hard drives are currently one of the most demanded by users to store digital content. new post olx

Type

There are several types of external hard drives:

External Hard Drives Desktop or Desktop: acer Laptops in sialkot hard drives are 3.5-inch large capacity and a considerable size. Work connected to the power supply and are suitable for backups and for users who do not need to move them too.

Portable Hard Drives: hard drives are 2.5 inches smaller and lighter and do not require separate power supply. They offer a more limited capacity than desktop hard drives and also a smaller price and size. They are suitable for those who travel frequently.

External Hard Drives ultra-portable: 1.8 inch disks are very small, non-powered, very suitable to take over.

External drives media: besides serving as a storage medium, have the ability to play multimedia content stored on them, such as pictures, music and video, and send the output to a TV or stereo. They have remote control and all kinds of connectors.

Housings are commercially adapter for converting a regular hard drive desktop (3.5 inches) or laptop (2.5 inch) external hard drives, acer laptops in pakistan with similar results to the factory teams.

Features

Here are the main features of the external hard drives:

Frame or box: aluminum or plastic, some models include fan.

Hard disk size: the most common are 2.5 and 3.5 inches, but also made of 5.25, 1.8 or 1 inch.

Connectors: connections are more common USB and FireWire, and SCSI or SATA occasionally and Ethernet and Wi-Fi network to connect.

Software: Software usually bring additional backup, synchronization and data encryption.

Format: the file system is FAT32 normally compatible with Windows, GNU / Linux and Mac, but they can be reformatted as another hard drive.

Advantages and disadvantages

External hard drives have several advantages over other options (internal hard drive, CD, DVD, USB memory) when increasing the storage capacity of our team:

Lots of storage.

High transfer rate.

Low cost storage.

Highly portable.

For adding disk drives to any computer though its chassis does not have space.

Allows you to easily disconnect the unit, simply by turning the power or connector.

Avoid increasing the heat inside the computer case caused by a disk drive.

Allows Hot-Plug.

Robust chassis prevents wear and tear.

As disadvantages we can mention:

Sometimes require a separate power source.

Weight and size considerably.

Ability to be damaged if hit, due to the presence of moving mechanical components.

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