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Internal Hard Drives Comparison - March 2025

6 Best Internal Hard Drives In the UK

1
Best Choice
9.8Exceptional
2
9.7Exceptional
3
9.6Exceptional
4
Best Value
9.3Excellent
5
9.2Excellent
6
9.1Excellent
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Model

Seagate IronWolf, 4TB, NAS, Internal Hard Drive, CMR 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 year Rescue Services, FFP (ST4000VNZ06)
Model
Seagate Skyhawk 4 TB, Video Internal Hard HDD – 3.5", SATA 6Gb/s, 256MB Cache, for DVR NVR Security Camera System, with in-house Rescue Services (ST4000VX016)
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 BarraCuda, 8 TB, Internal Hard Drive, SATA 6 Gbit/s, 3.5", 5400 RPM, 256 MB Cache for Desktop PC (ST8000DM004)
Model
Seagate IronWolf Pro, 16 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 (‎ST16000NE000)
Model
Sonnics 3.5" SATA Hard Drive 7200RPM Desktop PC/Surveillance Storage Hard Drive CCTV Camera CCTV System DVR (3TB)

Brand

Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate
Brand
Seagate
Brand
Sonnics

Reviews

8,319 reviews
Reviews
3,675 reviews
Reviews
339,249 reviews
Reviews
156,594 reviews
Reviews
4,449 reviews
Reviews
372 reviews

Features

Sound level

9.9
Sound level
9.4
Sound level
8.9
Sound level
9.3
Sound level
8.9
Sound level
7.9

Easy installation

9.9
Easy installation
9.8
Easy installation
9.6
Easy installation
9.4
Easy installation
9.4
Easy installation
8.6

Worth the money

9.1
Worth the money
9.4
Worth the money
9.1
Worth the money
9.1
Worth the money
9.1
Worth the money
9.8

Storage space

9.8
Storage space
9.4
Storage space
9.6
Storage space
9.4
Storage space
9.1
Storage space
8.4

For playing video games

8.1
For playing video games
9.4
For playing video games
8.6
For playing video games
8.1
For playing video games
9.1
For playing video games
7.0

Tech Specs

hard disk rotational speed

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

hard disk description

Mechanical Hard Disk
hard disk description
-
hard disk description
Mechanical Hard Disk
hard disk description
Hybrid Drive
hard disk description
Solid State Hard Drive
hard disk description
-

product dimensions

14.71 x 10.19 x 2.62 cm 490 g
product dimensions
-
product dimensions
10.03 x 6.99 x 0.71 cm 449.06 g
product dimensions
14.7 x 10.19 x 2.61 cm 630.04 g
product dimensions
14.73 x 10.16 x 2.54 cm 680.39 g
product dimensions
-

form factor

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

item weight

490 g
item weight
-
item weight
449 g
item weight
630 g
item weight
680 g
item weight
-

are batteries included

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

hard drive interface

Serial ATA
hard drive interface
-
hard drive interface
Serial ATA
hard drive interface
FC-AL-2
hard drive interface
eSATA
hard drive interface
-

color

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

Hard Drive Size

4000 GB
Hard Drive Size
-
Hard Drive Size
2000 GB
Hard Drive Size
8000 GB
Hard Drive Size
16 TB
Hard Drive Size
3 TB

customer reviews

4.7 4.7 out of 5 stars 2, 773 ratings 4.7 out of 5 stars
customer reviews
-
customer reviews
4.6 4.6 out of 5 stars 113, 083 ratings 4.6 out of 5 stars
customer reviews
4.5 4.5 out of 5 stars 52, 198 ratings 4.5 out of 5 stars
customer reviews
4.2 4.2 out of 5 stars 1, 483 ratings 4.2 out of 5 stars
customer reviews
-

guaranteed software updates until

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

Hardware Platform

-
Hardware Platform
PC
Hardware Platform
-
Hardware Platform
-
Hardware Platform
-
Hardware Platform
-

Number Of Lithium Ion Cells

-
Number Of Lithium Ion Cells
1
Number Of Lithium Ion Cells
-
Number Of Lithium Ion Cells
-
Number Of Lithium Ion Cells
-
Number Of Lithium Ion Cells
-

Batteries

-
Batteries
1 Lithium Ion batteries required.
Batteries
-
Batteries
-
Batteries
-
Batteries
-

Lithium Battery Packaging

-
Lithium Battery Packaging
Batteries only
Lithium Battery Packaging
-
Lithium Battery Packaging
-
Lithium Battery Packaging
-
Lithium Battery Packaging
-

Number of Lithium Metal Cells

-
Number of Lithium Metal Cells
1
Number of Lithium Metal Cells
-
Number of Lithium Metal Cells
-
Number of Lithium Metal Cells
-
Number of Lithium Metal Cells
-

Lithium Battery Weight

-
Lithium Battery Weight
0.19 Grams
Lithium Battery Weight
-
Lithium Battery Weight
-
Lithium Battery Weight
-
Lithium Battery Weight
-

wattage

-
wattage
-
wattage
3.7
wattage
5.3
wattage
7.6 watts
wattage
-

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 IronWolf, 4TB, NAS, Internal Hard Drive, CMR 3.5 Inch, SATA, 6GB/s, 5,400 RPM, 256 MB Cache, for RAID Network Attached Storage, 3 year Rescue Services, FFP (ST4000VNZ06)

    9.9 Sound Level
    9.9 Easy installation
    9.8 Storage space

    Why we love it

    Ideal for multi-user NAS environments with 8-bay support.
    4TB storage with 64MB cache boosts performance.
    Three-year warranty and rescue data recovery included.
  • 9.7
    2
    Seagate

    Seagate Skyhawk 4 TB, Video Internal Hard HDD – 3.5", SATA 6Gb/s, 256MB Cache, for DVR NVR Security Camera System, with in-house Rescue Services (ST4000VX016)

    9.8 Easy installation
    9.4 Sound Level
    9.4 worth the money
    Main highlights
    • Support workloads of up to 180TB/year—that's 64 simultaneously streaming HD cameras with little to zero dropped frames
    • Quieter—with built-in RV sensors to allow drives to maintain performance in multi-bay systems, offering the flexibility to scale systems when more storage is needed
    • Enjoy long-term peace of mind with 1M hours MTBF, an included three-year limited warranty, and three-year in-house Rescue Data Recovery Services
    • Efficient power consumption reduces heat emissions and improves reliability—plus, drives can easily be monitored with SkyHawk Health Management
    • Built faster for video DVR and NVR security camera systems, SkyHawk delivers video-optimized storage
  • 9.6
    3
    Seagate

    Seagate BarraCuda, 2TB, Internal Hard Drive, 3.5 Inch, SATA 6GB/s, 7.200 RPM, 64MB Cache, for Computer Desktop PC, FFP (ST2000DMZ08)

    9.6 Easy installation
    9.6 Storage space
    9.1 worth the money

    Why we love it

    rock
    solid reliability
    versatile mix of capacity and price point options

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.
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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.
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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.
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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.