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Home External hard drives Medium Capacity Hard Drives
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Save Up To £140 on External Hard Drives View Today's Best Deals
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USB Powered
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#1

90

Western Digital My Passport

105 Reviews
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£44.99

Info
170g
Info
1TB
Info
Oct 2016
The highest scoring medium capacity hard drive available, with an Editor's Choice award from two expert review websites and 4 further awards from other expert sites
Save £10
#2

90

Toshiba Canvio Basics ‑ 2Tb

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£54.00

Info
230g
Info
2TB
Info
Oct 2015
Good for a large amount of cat pictures, this is The highest scoring external hard drive under £100
#3

89

Buffalo DriveStation ‑ 2Tb

81 Reviews
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£63.82

Info
921g
Info
2TB
Info
Dec 2013
An amazingly cheap and very popular 921g external hard drive, with very good features and multiple awards
#4

89

LaCie Porsche Design ‑ 2Tb

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£71.74

Info
193g
Info
2TB
Info
Jul 2016
An affordable and multi award winning 193g external hard drive, with an Editor's Choice award from two expert review websites and 3 further awards from other expert sites
Save £71
#5

89

Freecom mHDD ‑ 2TB

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£97.94

Info
150g
Info
2TB
Info
May 2016
Good for a large amount of cat pictures, this is The best rated external hard drive under £500
#6

88

Western Digital My Passport Ultra ‑ 1.5Tb

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£71.99

Info
160g
Info
1.5TB
Info
May 2015
A multi award winning and affordable 160g external hard drive, good for a large amount of cat pictures
#7

88

Seagate Game Drive ‑ 2TB

2 Reviews
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£66.99

Info
170g
Info
2TB
Info
Jul 2015
An spectacularly good value for money and award winning 170g external hard drive, with very good features
#8

88

Seagate Ultra Slim ‑ 2Tb

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£66.99

Info
136g
Info
2TB
Info
Jan 2016
A top-value and phenomenally light weight USB powered external hard drive, with multiple awards and good features
#9

87

Western Digital WDBZFP0010BBK‑EESN

248 Reviews
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£61.64

Info
160g
Info
1TB
Info
Dec 2016
A multi award winning and low cost 160g external hard drive, good for a large amount of cat pictures
#10

87

Buffalo DriveStation Velocity ‑ 2Tb

8 Reviews
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£8.45

Info
950g
Info
2TB
Info
Sep 2011
A best selling and bargain price 950g external hard drive, with very good features
#11

86

Transcend StoreJet 25M3 ‑ 1Tb

39 Reviews
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£48.62

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185g
Info
1TB
Info
Mar 2018
A remarkably cheap and best selling 185g external hard drive, good for a large amount of cat pictures
#12

86

Buffalo MiniStation Extreme USB 3.0 ‑ 2TB

36 Reviews
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£92.24

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277g
Info
2TB
Info
Apr 2015
A very popular and multi award winning 277g external hard drive, good for a large amount of cat pictures
#13

86

Toshiba HDTB410EK3AA

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£43.99

Info
149g
Info
1TB
Info
Feb 2018
A low cost and best selling USB powered external hard drive, with the latest technology and one of the lightest weights available
#14

86

Buffalo HD‑PNF1.0U3‑B

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£50.38

Info
170g
Info
1TB
Info
May 2018
A best selling and low cost 170g external hard drive, with the latest technology and good features
Save £37
#15

85

Silicon Power Armor A80 ‑ 2Tb

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£53.87

Info
270g
Info
2TB
Info
Dec 2017
A best selling and top-value 270g external hard drive, with very good features and the latest technology
Save £31
#16

85

Toshiba Canvio Advance ‑ 2Tb

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£45.31

Info
149g
Info
2TB
Info
Feb 2018
A low cost and remarkably light weight USB powered external hard drive, with the latest technology and great features
#17

85

Seagate STEA1500400 ‑ 1.5TB

873 Reviews
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£67.34

Info
170g
Info
1.5TB
Info
Mar 2016
An award winning and good value for money 170g external hard drive, with a Gold award from one expert review website and an additional award from another expert site
#18

85

Intenso Memory Case ‑ 1Tb

5 Reviews
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£39.97

Info
165g
Info
1TB
Info
Sep 2015
An award winning and amazingly cheap 165g external hard drive, with good features
Save £15
#19

84

Toshiba Canvio Advance ‑ 1Tb

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£37.63

Info
149g
Info
1TB
Info
Feb 2018
A recently released and amazingly cheap USB powered external hard drive, with good features and a breathtakingly light 149g weight
Save £25
#20

84

Toshiba Canvio Alu ‑ 2Tb

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£56.90

Info
200g
Info
2TB
Info
Apr 2018
A bargain price and recently released 200g external hard drive, with very good features

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Trending External Hard Drive Comparisons

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Canvio Basics - 1Tb
£40.98
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£40.43
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£38.20
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Western Digital
WD Elements Portable - 750Gb
£40.94
£13 cheaper
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£59.99
£5 cheaper
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£71.74
£3 cheaper
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£32.81
£8 cheaper
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£40.98
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£40.94
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£49.66
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£48.62
£19 cheaper
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Western Digital
My Passport - 2TB
£67.49
Seven more
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My Passport - 4Tb
£93.49
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£64.99
£29 cheaper
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A-DATA
HD710 Pro - 1Tb
£50.17
£4 cheaper
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£53.87
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Frequently Asked Questions (FAQs)

QHow is the capacity of hard drives measures?
AModern external hard drives are measured in gigabytes (Gb), which equates to approximately 1,000 megabytes (Mb). A single mp3 takes up about 3-4Mb, while a single picture takes 1-2Mb. Larger capacity drives are measured in terrbytes (Tb), where 1Tb = 1,000Gb.
QWhat security is available for external hard drives?
AMost hard drives lack any serious security options - however some have password protection to only allow authorised access. This can be a software password, or an actual physical keypad on the drive itself. Heavier degrees of security are available - including biometric fingerprint scanners, which will only unlock the data to someone with authorised fingerprints.
QHow are external hard drives powered?
AMost external hard drives are powered via USB, meaning they can be plugged directly into the computer and used from there. However some very large/powerful drives need too much power for USB alone, and will also require am external power supply to function properly.

External Hard Drive Buying Guide

External hard drives are portable and used to backup files and data from your computer, so they’re safeguarded in case of accident or for retrieval at a later date. While Cloud-based backups are being used more and more for backups, external hard drives still have several important benefits compared to online backups:

  • Peace of mind: many people don’t 100% trust the Cloud yet, and having their data stored in some unknown, invisible server somewhere leaves them worried about the long-term safety of their data. External hard drives offer tangible, physical objects to safely backup your files, without having to rely on 3rd-party companies.
  • Backing up and restoring files is far faster, especially with newer models that use USB 3 for transferring data.
  • Data can be retrieved without needing a net connection, making them useful if travelling or if you find yourself somewhere without a solid net connection.
  • High-level security options - such as fingerprint scanners, palm vein scanners and number pads - offer vastly increased security and peace of mind when storing very important files. Moreover, there is the increased security of being able to physically lock away the hard drives away from prying eyes.
  • Finally, USB hard drives are still one of the best methods for quickly moving very large files between different computers. It is frequently easier (as long as the computers aren’t too far apart) to simply transfer the file to the drive, plug it in to the second computer, and transfer rather than having to deal with slower upload/download speeds from services such as Dropbox.
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Capacity

The main important consideration when choosing an external hard drive is the capacity. This Is a measure of how much data the drive can hold, and is measured in gigabytes (Gb) or terrabytes (Tb) . A gigabyte is 1000 megabytes, and a terabyte is 1000 gigabytes. Our drives range from relatively small portable 120gig drives to enormous 5Tb drives, which can safely hold all the data from multiple machines at once. Generally speaking the higher the capacity the better, but it does depend on what you’re going to be backing up. If you only use your computer to store documents, low-res photos and the like, a 2-500 gig drive should be enough. On the other hand, large capacity drives are useful for storing RAW photos, video editing or Photoshop files.

Size & Portability

Hand in hand with the capacity of the drive is its size. Generally speaking, the larger the capacity of a drive, the bigger it is. Small-capacity drives are extremely portable, being no larger than a mobile phone, so can be transported very easily. On the other end of the scale, the very large capacity drives are not meant to be portable, and usually sit in or under your desk as a safe deposit for all your data. Portability and weight will only become a real issue when choosing the very high-capacity drives, but it is worth paying attention to if you plan on transporting the drive frequently.

Read/Write Speeds

Read & write speeds measure how quickly data can be written from & to the external hard drive. This is measures in bytes per second - the higher the speed, the faster large files (such as movies) will be transferred onto or from the drive. The read-write speeds are also affected by the USB version supported - USB 3.0 supported drives allow far higher transfer rates than USB 2 drives, so it is worth seeking out the newest drive you can for the fastest data transfer speeds.

Power

On the subject of USBs, external hard drives are powered by 2 main methods: via USB or externally power lead. Smaller drives will be powered via USB - this means that the same lead that transfers the data also powers the device. This means no battery, no extra leads, and they are far more portable. Larger drives may be so big and powerful that USB alone can’t provide enough power - in which case they may need an external power connection to properly function. This means that extra consideration has to be made for a spare power socket and the required leads - making them less use when on the go.

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Extras

Finally, there are a wealth of extras that can be found in more advanced models of external hard drives. Some of these may only be useful in specific situations, and you will usually pay more for them, but the utility may well be worth the extra cost. Some examples of extra features include:

  • Integrated card reader: a built in card reader in the drive allows the device to also read/write to SD cards.
  • Fingerprint scanner: an optical fingerprint scanner drastically increases the security of your device, by meaning only specific fingerprints can unlock the device and access the files. For even greater security, a ‘palm vein’ scanner detects the blood pumping through the unique arrangement of veins in your hand, meaning that the scanner cannot be fooled by severed fingers - the owner has to be there in person and alive.
  • Ruggedized outer layer: for those who frequently take drives outdoors or in harsh conditions, a hefty rubber or metal basing protects the device from damage, keeping your files intact through even the worst conditions.

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