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Thursday, August 11, 2016

Buying An External Hard Drive – Buy 1TB, 2TB, 3TB External Hard Drives |Best External Hard Disk

In this article, you can learn on buying an external Hard Drive that helps you take backup of your data before it is too late.

Buying an External Hard Drive
So let's start...

How to identify Hard Disk Failures?

Video by Donor Drives LLC

Are you one among them who have started the collection of songs, videos?


Do you have digital photos that you like to share and save for your projects and future use?

So in any of the case you cannot rely on your personal computer storage and you need to have external media to save your files as backup.

Don’t leave it to chance that your hard disk won’t crash,


Because I was the victim of this situation and until last month I never thought that this would happen to my personal computer.

But when hard disk crashes, you will be left with very less choice and go with your engineer's suggestions.

Rather than I say prevention is better than cure.


What to look for when buying an external hard drive?

Before I start discussing on what to look when buying an external hard disk, we need to understand that there are two types of hard disk:

• Solid State Drive
• Hard Disk Drive

Unlike a memory stick, there are no moving parts for an SSD. 

But data is stored in microchips, hard disk drive uses a mechanical arm to read and write head to move around and read information from the accurate location on a storage platter.
Image: Digital Trends


1.Access time for SSD is 0.1ms where as HDD is 5.5 ~ 8.0ms
2.Random I/O performance SSD deliver at least 6000 io/s which is 15 times faster than HDDs because they reach up to 400 io/s
3.Reliability SSD have a failure rate of less than 0.5% but for HDD failure rate is 2~5%
4.Energy savings for SSD would consume between 2 & 5 watts and HDDs consume between 6 & 15 watts, so this means bigger energy savings would be around 100 watts for large servers.
5.CPU power - SSDs have an average I/O wait of 1% but HDDs average I/O wait is about 7%, that means you can have 6% of CPU power for other operations.
6.Backup rates – SSDs would take 6 hours but HDDs would take 20~2 hours, so that means SSDs are 3-5 times faster backup your data.

Solid State Drives vs Hard Disk Drives – Infographic by

What size is correct for you to choose external hard disk?

Well if you have word documents, spreadsheets kind of data then I would suggest that 200GB – 300GB could be sufficient.

If you have a great collection of music, HD videos and images then I recommend that you go with 1TB – 2TB storage.

Some Hard Disks would just store your data; some other brands would give you extra security (automatic backup or file retrieval).

How To Lock - Unlock & Give Password To A Hard Drive 

Video by Tech Zaada

(Do not attempt if you are new to the techniques discussed in this video)  

(SATA – Serial Advance Technology Attachment)

What is eSATA, video by Lab Rats TV

Best External hard drives

Seagate Backup Plus Slim 1TB Portable External Hard Drive with 200GB of cloud storage & Mobile Device Backup (Black)

Unboxing video by Yash Deshmukh


WD Elements 1TB USB 3.0 Portable External Hard Drive

Unboxing and review by Sayantan TechHD


Lenovo External Hard Drive (Black)

Unboxing and review by Tech on Fire


Toshiba Canivo Basics 1TB External Hard Disk

Unboxing video by Unbox Fresh


  1. Pls suggest a good brand for External Hard Disk also which Hard Disk is better. Solid State Hard Disk or Hard Disk Drive? I'm looking for maximum storage capacity like 1TB or 2TB along with extra Security like Automatic Backup or File Retrieval.

  2. Hi Mehta, Thanks for your comment I prefer you can go with Seagate or WD External Hard Drives.
    SSD comes with additional cost and has its own advantages like less power consumption when compared to Hard Disk and performance is faster because the data is stored in microchips.