WD Element 2 TB: WD quality inside and out - Designed with the same commitment to quality that made WD external drives the number one selling drives in the world.

Plug-and-play simplicity - Just connect the power and plug it into a USB port to instantly add more storage to your computer.

Designed to save power - Turns on and off with your computer. Utilizes a WD drive with power-saving WD GreenPower Technology™ and an EnergyStar compliant power supply.
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Seagate GoFlex 1 TB: Plug-and-Play with Automatic Backup Software - The Seagate GoFlex's built-in backup software ensures automatic continuous backup of your data.

Access Files with the Interface of Your Choice - Use the standard USB 2.0 interface for maximum compatibility with standard desktops and laptops. Or upgrade to USB 3.0, FireWire 800 or powered eSATA by pairing the drive with the appropriate GoFlex upgrade cable.
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WD Passport 1 TB: Up to 3x faster transfer rates - When connected to a USB 3.0 port this drive lets you access and save files up to 3 times faster than USB 2.0. Transfer a 2-hour HD movie in just 5 minutes instead of 13 minutes.

WD quality inside and out - For over 20 years, millions of people worldwide have trusted their data to WD hard drives. We are successful because we understand the importance of your data and our first concern is keeping that data safe.
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External Hard Drives – Best Storage Solutions

External hard drives is a storage device that functions just like an internal hard drive with the only difference it can easily be connected using a USB port and is placed outside of the CPU. These devices is quite popular for the simple reason that it makes your computer data portable and secure from threats. With heavy access to the internet the hard drive is exposed to threats like virus, spyware and Trojan horses. It becomes crucial to safeguard your computer data from such threats and this can be done only with a highly secure external hard drives. Not only online threats even lots of people using the same system can put your sensitive documents in danger. This is when password encryption comes handy. Moreover with multimedia information on the rise need to store this digital information safely become a priority, and this can be done using external hard drives.

External Hard Drives Data Transfer

Sitting outside of the computer enclosure the external hard drives behaves as a storage device that lets users to store any kind of data either for sharing or for backup. Many use external hard drives for backup purpose, incase the internal hard drive fails. The external hard drives is connected to the computer by using a high speed interface cable. The external device is usually connected to the computer using USB port. Nowadays you’ll find high speed USB 3.0 interface allowing data transfer useage twice the speed of a 7200 SATA drive and 10 times that of USB 2.0 interface. The drive is small and compact and will fit into your pant pocket or your purse comfortably. Some drives include power grip that protects the drive from rough handling.

External Hard Drives Interface Cable

External hard drives is available in several interfaces like USB and FireWire. Depending on the port availability a drive can be chosen from the market. Some drives are available with both the interfaces which makes it versatile. Large backup of movies, music, graphic and games can be taken comfortably on the external hard drives since it is available in terabyte capacity. These devices also includes 256 bit hardware encryption that when enabled allows access to only authorized users. This can be a welcome feature that protects the external hard drives from the prying eyes of trespassers. The external drive is not hard to use and doesn’t require any special software for backup, though the majority of the manufacturers offer free backup software that can be downloaded from their website. Some even offer online backup up to a few gigabytes free space.

External Hard Drives Conclusion

The easy access feature of the external hard drive makes it highly popular. You are able to carry sensitive data along with you wherever you’re going. After the computer recognizes the drive, the drive is assigned a letter and you can start transferring files to and fro onto the external drive. It functions the same as an internal hard drive. Huge files can be transferred back and forth without any difficulty. These devices can take as much rewrites as possible and can stick with you for long. You’d understand that backup on the external hard drives is extremely useful.