Advertising Disclosure
Internal Hard Drives Comparison - April 2026

7 Best Internal Hard Drives In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.6Exceptional
4
9.5Excellent
5
Best Value
9.2Excellent
6
9.1Excellent
7
9.0Excellent
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon
View DealOn Amazon

Model

Seagate BarraCuda 8TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s,, 5.400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST8000DMZ04)
Model
Seagate IronWolf Pro 16TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST16000NTZ01)
Model
Seagate BarraCuda 4TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST4000DMZ04)
Model
Seagate BarraCuda 6 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s 5400 RPM 256 MB Cache for Computer Desktop PC (ST6000DM003)
Model
Seagate IronWolf 4TB, NAS, Internal Hard Drive, CMR, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for RAID Network Attached Storage, Data Rescue Services (ST4000VNZ06)
Model
Seagate BarraCuda 2TB, Internal Hard Drive, 3.5 Inch, SATA 6GB/s, 7.200 RPM, 64MB Cache, for Computer Desktop PC, FFP (ST2000DMZ08)
Model
Seagate IronWolf Pro, 12 TB, NAS Internal Hard Drive, CMR 3.5 Inch, SATA 6 Gb/s 7,200 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 years Rescue Services, FFP (ST12000NE0008)

Brand

Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate

Reviews

305,685 reviews
Reviews
19,674 reviews
Reviews
339,249 reviews
Reviews
156,594 reviews
Reviews
8,319 reviews
Reviews
339,249 reviews
Reviews
4,416 reviews

Features

Sound level

8.6
Sound level
8.6
Sound level
8.9
Sound level
9.3
Sound level
9.9
Sound level
8.9
Sound level
7.9

Easy installation

9.6
Easy installation
9.6
Easy installation
9.6
Easy installation
9.4
Easy installation
9.9
Easy installation
9.6
Easy installation
8.9

Worth the money

9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
8.4

Storage space

9.4
Storage space
9.4
Storage space
9.6
Storage space
9.4
Storage space
9.8
Storage space
9.6
Storage space
8.9

For playing video games

8.6
For playing video games
8.6
For playing video games
8.6
For playing video games
8.1
For playing video games
8.1
For playing video games
8.6
For playing video games
7.7

Sheerness

9.9
Sheerness
9.9
Sheerness
9.9
Sheerness
9.1
Sheerness
9.3
Sheerness
9.9
Sheerness
9.4

Tech Specs

hard disk rotational speed

‎5400 RPM
hard disk rotational speed
‎5400 RPM
hard disk rotational speed
5400 RPM
hard disk rotational speed
5400 RPM
hard disk rotational speed
5400 RPM
hard disk rotational speed
7200 RPM
hard disk rotational speed
7200 RPM

product dimensions

‎14.71 x 10.16 x 2.62 cm; 657.71 g
product dimensions
‎14.7 x 10.18 x 2.61 cm; 672 g
product dimensions
14.71 x 10.16 x 2.01 cm 490 g
product dimensions
14.7 x 10.19 x 2.61 cm 610.08 g
product dimensions
14.71 x 10.19 x 2.62 cm 490 g
product dimensions
10.03 x 6.99 x 0.71 cm 449.06 g
product dimensions
26.1 x 101.9 x 147 cm 250 g

form factor

‎3.5-inch
form factor
‎3.5-inch
form factor
3.5-inch
form factor
HDD
form factor
3.5-inch
form factor
3.5-inch
form factor
3.5-inch

item weight

‎658 g
item weight
‎672 g
item weight
490 g
item weight
610 g
item weight
490 g
item weight
449 g
item weight
250 g

hard disk description

‎Mechanical Hard Disk
hard disk description
‎High capacity mechanical hard drive with focus on NAS use, 3.5"
hard disk description
Mechanical Hard Disk
hard disk description
Mechanical Hard Disk
hard disk description
Mechanical Hard Disk
hard disk description
Mechanical Hard Disk
hard disk description
Mechanical Hard Disk

guaranteed software updates until

‎unknown
guaranteed software updates until
‎unknown
guaranteed software updates until
unknown
guaranteed software updates until
unknown
guaranteed software updates until
unknown
guaranteed software updates until
unknown
guaranteed software updates until
unknown

are batteries included

‎No
are batteries included
‎No
are batteries included
No
are batteries included
No
are batteries included
No
are batteries included
No
are batteries included
No

hard drive interface

‎Serial ATA
hard drive interface
‎Serial ATA
hard drive interface
Serial ATA
hard drive interface
Serial ATA-600
hard drive interface
Serial ATA
hard drive interface
Serial ATA
hard drive interface
ATA

color

‎BarraCuda
color
‎NAS HDD PRO
color
BarraCuda
color
Silver
color
NAS HDD
color
BarraCuda
color
NAS HDD PRO - 256MB Cache

Hard Drive Size

‎8000 GB
Hard Drive Size
‎16 TB
Hard Drive Size
4 TB
Hard Drive Size
6000 GB
Hard Drive Size
4000 GB
Hard Drive Size
2000 GB
Hard Drive Size
12000 GB

wattage

‎5.3
wattage
-
wattage
5.6
wattage
5.3
wattage
-
wattage
3.7
wattage
3600

hardware platform

‎PC
hardware platform
‎PC
hardware platform
PC
hardware platform
PC, laptop
hardware platform
-
hardware platform
PC
hardware platform
-

processor brand

‎Seagate
processor brand
-
processor brand
Seagate
processor brand
Intel
processor brand
-
processor brand
Seagate
processor brand
-

power source

‎System powered
power source
-
power source
System powered
power source
-
power source
-
power source
System powered
power source
-

RAM memory installed size

‎256 MB
RAM memory installed size
-
RAM memory installed size
-
RAM memory installed size
6 TB
RAM memory installed size
-
RAM memory installed size
6 GB
RAM memory installed size
-

Available On

Available On
Available On
Available On
Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.8
    1
    Seagate

    Seagate BarraCuda 8TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s,, 5.400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST8000DMZ04)

    9.9 Sheerness
    9.6 Easy installation
    9.4 Storage space

    Why we love it

    Massive 8TB storage capacity.
    Reliable performance for various tasks.
    Easy data migration with DiscWizard.
  • 9.7
    2
    Seagate

    Seagate IronWolf Pro 16TB, Enterprise Internal NAS HDD, CMR 3.5 Inch, SATA 6GB/s, 7.200 RPM, 256MB Cache for RAID NAS, Data Rescue Services, Frustration Free Packaging (ST16000NTZ01)

    9.9 Sheerness
    9.6 Easy installation
    9.4 Storage space

    Why we love it

    Reliable data storage solution.
    Ideal for NAS setups.
    Comes with data recovery services.
  • 9.6
    3
    Seagate

    Seagate BarraCuda 4TB, Internal Hard Drive, 3.5 Inch, SATA, 6GB/s, 5.400 RPM, 256MB Cache, for Computer Desktop PC, FFP (ST4000DMZ04)

    9.9 Sheerness
    9.6 Easy installation
    9.6 Storage space

    Why we love it

    Reliable performance for everyday tasks.
    Ideal for multimedia and gaming.
    Easy data transfer with included software.

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
smartphone

Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
checklist

Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
smartphone-stars
windows

Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.