Choosing A Portable External Hard Disk Made Easy

Published October 6, 2017

Portable External Hard Disk

It is always a nice idea of backing up your computer. At times, you may have no trust of the cloud to store your content. Therefore, if requiring physical copy of the backup files for you PC files, you do not just need a floating thing in ether, you will then want to purchase external hard drive. Considering the vast options available in the market, the purchasing becomes quite overwhelming.

Once making decision of which drive will work for the best of your needs, make a consideration of; what will the drive be used for, the much space you really require and the frequency of backing up the computer files. According to, consider whether you need an external drive that you will carry around your backed up data in, so that you go for a lighter and encrypted drive for convenience and security or go for cheaper, heavier device.

While choosing the portable drive to purchase, consider the following:

Storage capacity

The external drives storage range from 4TB to 2TB. As a matter of fact, several companies combine in a single chassis 4TB drives to add up to 8TB which is a complete overkill for many individuals. Current computers just referencing come with storages about 750GB and 250GB internal drives. Be it you need a mini external drive which you may pin on your keychain for storage of some important documents or else a bigger drive to store all your videos, songs and photos, the choices are vast.

The best size if looking for a drive to store videos is 2TB or 1TB but if storing word documents or mails, go for a smaller size. The more the files you intend to store, the larger becomes the type of file for storage hence the bigger the hard drive you need. Hard drives storing quite decent storage space cost from$70 to about $3200.

Transfer speed

If your plan is backing up your computer per week or twice a week, the highest probability is the external drive suffices. If intending to use the drive for large files storage like videos, you need a device with a higher speed of getting your data from the PC. In such cases, 3.0 USB interfaced drives work best as compared to the 2.0 USB. The latter is slower in copying files as compared to 3.0 by ten times.
eSATA makes another best thing though it is quite expensive. FireWire falls in the third position when it comes to speed. All external drives are not compliant with every computer in terms of USB ports and therefore, while choosing, select a drive with connection you can use.
Thunderbolt a development of Intel in collaboration with able Apple, is extremely quick. It has a throughput of 10Mbps which is the fastest of all known ports. Such speed adds some coins to external drives that are capable of Thunderbolt.


While choosing a hard drive, ensure it comes fitted with encryption that is hardware based as it’s quite dependable rather than an encryption that is software based. This is most important if you want to buy mobile portable drive to move around with and also if storing more sensitive information.


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