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External Ssd Thunderbolt 4 Comparison - April 2026

7 Best External Ssd Thunderbolt 4 In the UK

1
Best Choice
9.7Exceptional
2
9.6Exceptional
3
9.3Excellent
4
9.2Excellent
5
8.9Very Good
6
8.8Very Good
7
8.5Good
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Model

Samsung Portable SSD T7, 4 TB, USB 3.2 Gen.2, 1,050 MB/s read, 1,000 MB/s write, external hard drive for iPhone, Mac, PC, smartphone and game console, grey, MU-PC4T0T/WW
Model
SanDisk Extreme PRO Portable SSD with USB4 4TB, (Up to 3800 MB/s read speed, up to 3700MB/s write speed, Powerful NVMe Solid State Performance, 40Gbps) Black
Model
SanDisk Extreme PRO Portable SSD 4TB (up to 2000 MB/s read speeds, Powerful NVMe Solid State Performance, IP65 rated for dust and water resistance, 256-bit AES hardware encryption) Black
Model
SanDisk Extreme PRO Portable SSD with USB4 2TB, (Up to 3800 MB/s read speed, up to 3700MB/s write speed, Powerful NVMe Solid State Performance, 40Gbps) Black
Model
SANDISK Extreme Portable SSD 4TB (up to 1050 MB/s read, 1,000MB/s write, USB-C, NVMe Solid State Performance, IP65 rated for dust and water resistance, Updated Firmware) Monterey
Model
Samsung T9 Portable SSD 4TB, Up to 2,000MB/s, USB 3.2 Gen 2x2 External Solid State Drive, Up to 3 m drop resistant, for Creative professionals, YouTubers, Content creators, Mac compatible, MU-PG4T0B
Model
Crucial X9 4TB Portable External SSD - Up to 1050MB/s, External Solid State Drive, Works with PlayStation, Xbox, PC and Mac, USB-C 3.2 - CT4000X9SSD902

Brand

Samsung
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Brand
SanDisk
Brand
Samsung
Brand
Crucial

Reviews

76,400 reviews
Reviews
197,052 reviews
Reviews
167,206 reviews
Reviews
197,052 reviews
Reviews
12,012 reviews
Reviews
712 reviews
Reviews
58,318 reviews

Tech Specs

product dimensions

‎12.5 x 10 x 5 cm; 72 g
product dimensions
‎0.97 x 5.26 x 10.08 cm; 172.37 g
product dimensions
1.04 x 5.79 x 11.07 cm 78 g
product dimensions
‎0.97 x 5.26 x 10.08 cm; 172.37 g
product dimensions
‎0.97 x 5.26 x 10.08 cm; 49.9 g
product dimensions
‎8.8 x 6 x 1.4 cm; 122 g
product dimensions
6.5 x 5 x 1 cm 32 g

item weight

‎72 g
item weight
‎172 g
item weight
78 g
item weight
‎172 g
item weight
‎49.9 g
item weight
‎122 g
item weight
32 g

hard disk description

‎Solid State Drive
hard disk description
‎Solid State Drive
hard disk description
Solid State Hard Drive
hard disk description
‎Solid State Drive
hard disk description
‎Solid State Drive
hard disk description
‎Solid State Drive
hard disk description
Solid State Drive

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

hard drive interface

‎USB 3.2
hard drive interface
‎USB-C
hard drive interface
NVMe
hard drive interface
‎USB 3.0
hard drive interface
‎USB 3.0
hard drive interface
‎USB 3.2
hard drive interface
USB 3.2

Hard Drive Size

‎4 TB
Hard Drive Size
‎4 TB
Hard Drive Size
4 TB
Hard Drive Size
‎2 TB
Hard Drive Size
‎4 TB
Hard Drive Size
‎4 TB
Hard Drive Size
4.0, 100.0 TB

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
-

color

‎Gray
color
‎Pro USB
color
Black
color
‎Pro USB
color
‎Extreme Monterey
color
‎Black
color
-

form factor

‎2.5-inch
form factor
‎2.5-inch
form factor
-
form factor
‎2.5-inch
form factor
‎portable
form factor
‎Compact
form factor
-

lithium battery weight

‎5 Grams
lithium battery weight
-
lithium battery weight
2 Kilograms
lithium battery weight
‎5 Grams
lithium battery weight
-
lithium battery weight
-
lithium battery weight
-

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
  • 9.7
    1
    Samsung

    Samsung Portable SSD T7, 4 TB, USB 3.2 Gen.2, 1,050 MB/s read, 1,000 MB/s write, external hard drive for iPhone, Mac, PC, smartphone and game console, grey, MU-PC4T0T/WW

    Why we love it

    High-speed data transfer.
    Compact and durable design.
    Versatile device compatibility.
    Main highlights
    • Your external high-speed storage as a backup SSD for data backup in compact pocket format and with capacities of up to 4 TB¹
    • Up to 9.5 times faster than external HDD hard drives² thanks to USB 3.2 Gen.2, with read/write speeds of up to 1,050 MB/s or 1,000 MB/s³ for simultaneous recording and storage of 4K recordings
    • The free Samsung Magician software optimises performance for you and always keeps the drive up to date with updates⁹ ¹⁰
    • Secures your data thanks to protection against falls from heights of up to 2 m⁵, can be encrypted by password using AES 256-bit hardware encryption if required
    • Compact, robust aluminum casing, Incl. 2 USB cables (USB-C to C and USB-C to A) to connect the external Samsung SSD with PC, Mac, MacBook Air, iPhone 15, Android devices, Smart TVs and game consoles⁴
  • 9.6
    2
    SanDisk

    SanDisk Extreme PRO Portable SSD with USB4 4TB, (Up to 3800 MB/s read speed, up to 3700MB/s write speed, Powerful NVMe Solid State Performance, 40Gbps) Black

    Main highlights
    • UNLEASH USB4 SPEEDS. Work at a turbocharged pace in external USB drives, with our next-gen USB4 interface achieving read speeds of up to 3800 MB/s and write speeds of up to 3700 MB/s.
    • POWERFUL PROTECTION. Help protect your data while on-the-go, with a rugged silicone shell and forged aluminum chassis.
    • OUTSTANDING RELIABILITY: Put your trust in SANDISK. Your storage is backed by a 5-year limited warranty to give you peace of mind.
    • BACKWARDS COMPATIBILITY. Store and move data across your older USB 3.2 and USB 2.0 devices, and supports Thunderbolt 4 as well.
    • ACCESS YOUR DATA FASTER: Work on large files in real-time, and deliver next-gen results at next-gen speeds.
  • 9.3
    3
    SanDisk

    SanDisk Extreme PRO Portable SSD 4TB (up to 2000 MB/s read speeds, Powerful NVMe Solid State Performance, IP65 rated for dust and water resistance, 256-bit AES hardware encryption) Black

    Why we love it

    Blazing fast read/write speeds for quick data transfers.
    Durable design with water and dust resistance.
    5-year warranty offers long-term peace of mind.
    Main highlights
    • Up to three-meter drop protection and IP65 water and dust resistance, and a handy carabiner loop for securing your drive all deliver extra peace of mind when you’re out in the world
    • Travel worry-free with a 5-year limited warranty and a forged aluminum chassis-silicon shell combo that offers a premium feel and added protection
    • Save time storing and transferring data with powerful NVMe solid state performance featuring 2000MB/s read and 2000MB/s write speeds
    • Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption (Password protection uses 128-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+ (Software download required for Mac, see official SanDisk website)
    • Easily manage files and automatically free up space with the SanDisk Memory Zone app
    • A forged aluminum chassis acts as a heatsink to deliver higher sustained speeds in a portable drive that’s tough enough to take on any adventure

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.