The reasons for
using an external hard drive
There are many reasons for you to use an
external hard drive. I think most of you might frequently suffer an unexpected
data loss. Or your computer is always running very slow. Therefore, it’s
necessary to back up your data on the external hard drive to free up your hard
drive.
1.
It has large
capacities and high speed
Connect the external hard drive, you can
backup your data at any time. You can backup the important data to it and can
choose set a regular backup. With the large capacity, you can store the files
in large size as you like. Therefore, you don’t need to store every thing on
your hard drive any more so that to increase your computer’s performance.
2. It is very easy to carry and
use
With its small size, you can plug out them
from your computer carry it with you whenever you need. So you don’t need to
transfer data from two devices when you need to access some certain files. It
doesn’t need to install any driver, it will be automatically recognized by
computer once connected with it.
Tips for buying an
external hard drive
1. External hard drive types
There are also two kind of external hard
drive: SSD( solid-state drives) and HDD ( hard disk drives). The SSD had a
faster speed but a higher price.
2. The size of an external hard
drive
The size depends on your needs for
storage.The capacity usually range from 2 GB to 4 TB. If you do not need to
store too many large files, the drive with the size from 1 TB or 2 TB could be
the best for you.
3. Transfer speed
How to choose an external hard drive in
transfer speed also depends on your need. If you need t back up files with
large size regularly, you’d better choose a a drive with faster speed.
There are generally four types of cable
types of hard drive and they vary in transfer data.
USB connection:
USB 1.0/1.1 speeds up to 12 Mbps.
USB 2.0 speeds up to 480 Mbps .
USB 3.0 speeds up to 4.8 Gbps.
SATA connection:
SATA provides higher data transfer speeds.
But it requires the motherboard is compatible with SATA.
eSATA connection:
eSATA technology is an extension of the
SATA cable . eSATA offers speeds much faster than most FireWire and USB.
Firewire
connection:
In the transfer speed, the USB 3.0 is the
fastest, the eSATA is second behind, the FireWire is the third fast.
It’s necessary to backup your data to
external hard drive regularly. Usually, an external hard drive has enough
lifetime if you maintenance it carefully. Once you have data loss, the cost of
paying for professional data recovery is far more than the price of an external
hard drive.
If you have a data loss from your external
hard drive, you should stop any operation on it, and try to use the data
recovery software as soon as possible before a data overwritten occurs.
Use data recovery program to retrieve your
lost files on external hard drive
Hdata recovery software offers the way to
recover lost files from external hard drives. Click the mode of Deleted your
files from flash disk.
Video tutorials about how to retrieve lost
files from external hard drive
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