10 Best 4tb Ssd in The UK

Last updated on 02/08/2025

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Best Choice

9.8

Exceptional

Samsung

Samsung T7 Grey 4TB Portable External SSD USB-C PC/MAC

Why We Love It

Maximized drive performance effortlessly.
Superior overheat resistance ensured.
Blazingly fast data transfer.

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
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
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
The free Samsung Magician software optimises performance for you and always keeps the drive up to date with updates⁹ ¹⁰
What's in the box: 1 x Samsung MU-PC4T0T/WW Portable SSD T7, SSD 4 TB, external hard drive, 2 USB cables (Type-C to C and Type-C to A, USB 3.2 Gen.2), grey

Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD, For gaming and video editing, MZ-V9P4T0BW

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Why We Love It

Exceptional speed for multitasking.
Reliable with long-lasting performance.
Easy drive management software.

Main Highlights

High-performance PCIe 4.0 NVMe SSD for high-end PC gaming as well as 4K video and 3D editing, data analytics and more.
Exceptional speed: Sequential read/write speeds of up to 7,450 MB/s and 6,900 MB/s respectively for all variants from 1 to 4 TB of storage capacity.
High reliability and long-lasting performance thanks to Heat Spreader and Dynamic Thermal Guard technology to protect against overheating
Storage capacities of up to 4 TB in compact M.2 form factor (2280), Ideal for high-performance (gaming) PCs and notebooks/ultrabooks
Easy drive management, with user-friendly Samsung Magician software for drive updates and performance optimisation
What's in the box: 1 x Samsung 990 PRO NVMe M.2 SSD, Storage capacity: 4 TB

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

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Why We Love It

Blazing-fast NVMe performance.
Superior toughness and durability.
Comprehensive data protection features.

Main Highlights

Get NVMe solid state performance featuring up to 1050MB/s read and up to 1000MB/s write speeds in a portable, high-capacity drive that’s perfect for creating amazing content or capturing incredible footage
Up to three-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating
Travel worry-free with a 5-year limited warranty and a durable silicone shell that offers a premium feel and added protection to the drive’s exterior
Use the handy Carabiner loop to secure it to your belt loop or backpack for extra peace of mind
Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption. Password protection uses 256-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+
Easily manage files and automatically free up space with the SanDisk Memory Zone app

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) Black

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Why We Love It

Blazing fast read-write speeds.
Rugged and durable.
Top-notch data security.

Main Highlights

Get NVMe solid state performance featuring up to 1050MB/s read and up to 1000MB/s write speeds in a portable, high-capacity drive that’s perfect for creating amazing content or capturing incredible footage
Up to three-meter drop protection and IP65 water and dust resistance mean this tough drive can take a beating
Travel worry-free with a 5-year limited warranty and a durable silicone shell that offers a premium feel and added protection to the drive’s exterior
Use the handy Carabiner loop to secure it to your belt loop or backpack for extra peace of mind
Help keep private content private with the included password protection featuring 256‐bit AES hardware encryption. Password protection uses 256-bit AES encryption and is supported by Windows 8, Windows 10 and macOS v10.9+
Easily manage files and automatically free up space with the SanDisk Memory Zone app

Crucial P310 4TB SSD M.2 2280 NVMe PCIe Gen4 Internal Gaming SSD, Up to 7,100MB/s, Laptop & Desktop (PC) Compatible, Solid State Drive - CT4000P310SSD801

21% OffFree Shipping

Why We Love It

Next-level performance with Gen4.
Extended storage and lifecycle.
Improved bootups and gameplay.

Main Highlights

SHIFT UP TO GEN4: Next-level Gen4 performance at up to 7,100MB/s — Speed up your bootups, file transfers, and game loads without compromising on quality
EXTEND LIFECYCLE AND STORAGE: Increase your device’s capacity and lifecycle to store more of what matters. Backed by a 5-year limited warranty.
FASTER GAMEPLAY AND BOOTUPS: Nearly 20% faster performance in bootups and gameplay
BETTER PRODUCTIVITY: Up to 20% faster performance in real world tasks compared to other Gen4 SSDs when booting Windows, starting applications like Adobe Photoshop and Illustrator, and working in applications like Microsoft Excel and PowerPoint
POWER EFFICENCY: Provides up to 40% better performance-to-power ratio than our previous Gen4 SSD so you can get more done with the same battery life

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

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Why We Love It

Superior storage and speed capabilities.
Broad device compatibility.
Robust and reliable construction.

Main Highlights

Expand your storage: Skip the monthly cloud storage fee and save more of the games, photos, videos and files you love with read speeds up to 1,050MB/s. Load files up to 7.5x faster than portable hard drives and 100x faster than USB flash drives.
Plug-and-play compatibility: With an easy USB-C connection, the Crucial X9 Portable SSD is the perfect compatible storage solution for your PC, Mac, tablet, gaming console, Android and more.
On-the-go durability: Unlike fragile portable hard drives, the Crucial X9 Portable SSD is durable and dependable. Shock, vibration and drop proof up to 7.5 feet, the X9 is also built to withstand fluctuations in temperature.
Back up everything that matters: Never lose another file, photo or video. Instead, back up all your favorite things to your Crucial X9 Portable SSD, available in capacities up to 4TB. The X9 works with Windows File History, Apple Time Machine and Acronis True Image.
Get 3 months of Mylio Photos+ on us and one month of Adobe Acrobat Pro when you purchase and register your Crucial X9. Mylio Photos+ is a complete solution for connecting your devices into a single photo library, while Adobe Acrobat is the all-in-one solution for creating, editing and e-signing PDF's quickly.

Samsung SSD 870 EVO, 4 TB, Form Factor 2.5 Inch, Intelligent Turbo Write, Magician 6 Software, Black

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Why We Love It

Blazing fast sequential speeds.
Enhanced write performance.
Comprehensive drive management.

Main Highlights

Interface: achieves the maximum SATA limit of 560/530 MB/s sequential speeds
Intelligent Turbo Write: accelerates write speed and maintains long-term high performance
Samsung Magician 6 Software: manage your drive with a range of useful tools to help you keep up with the latest updates, monitor the drive’s health and status
Designed for anyone with a desktop PC or laptop that supports a standard 2.5-inch SATA form factor
Available capacity: 4 TB. Compatible with SATA 3 Gb/s and SATA 1.5 Gb/s interface

WD_BLACK SN850X 4TB SSD, M.2 2280 NVMe SSD, Read speeds up to 7300 MB/s, Write speeds up to 6,600 MB/s, Gaming Expansion SSD, PCIe Gen4 NVMe, High Performance Internal SSD, Black

4% Off

Why We Love It

Ultra-fast PCIe Gen4 performance.
Exceptional read/write speeds.
Minimizes stutters for gaming.

Main Highlights

The internal SSD and incredible read and write speeds of up to 7,300 MB/s and 6,600 MB/s get you into the game faster.
The output of WD_BLACK SN850X NVMe SSD goes to the limit of PCIe Gen4 to get ultra-fast performance out of storage and system components.
The latest Game Mode version offers advanced features for maximum PC performance, such as load prediction, which allows resources to be prepared and loaded faster in-game.
The extremely low latency speeds up graphics loads and minimizes stutters and lag for action-packed gameplay.
Box contents: WD_BLACK SN850X NVMe SSD 4TB internal SSD; gaming storage; PCIe Gen4 technology; read 7,300 MB/s; write 6,600 MB/s

WD Blue SA510 SSD, 4TB 2.5" SATA SSD, Read speeds up to 560 MB/s, Includes Acronis True Image for WD, Disk & Cloning Migration, Backup & Recovery, Ransomware Protection Upgrade for PC/Laptop

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Why We Love It

Included Transfer And Backup Software.
Monitor Drive’s Health Easily.
Low Power Draw Advantage.

Main Highlights

Clone your computer’s entire hard drive to your WD Blue SA510 drive with the included Acronis True Image for Western Digital transfer and backup software(3) featuring cyber protection.
Work with confidence as the downloadable Western Digital SSD Dashboard(3) helps you monitor your drive’s health, temperature, available space, and more.
Give your PC new life with capacities of up to 4TB(1) and high endurance, plus low power draw for more laptop life between charges and reduced vibrations compared to HDDs.
The WD Blue SA510 SATA SSD comes in 2.5" and M.2 form factors for increased compatibility, fitting right into many current PC slots as well as those of many older machines.

Lexar NM790 SSD 4TB, M.2 2280 PCIe Gen4x4 NVMe 1.4 Internal SSD, Up to 7,400MB/s Read, Up to 6,500MB/s Write, Internal Solid State Drive for PS5, PC, Laptop, Gamers, Professionals

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Why We Love It

Exceptional speed for demanding tasks.
Power-efficient for extended use.
Perfect for gamers and developers.

Main Highlights

Exceptional performance up to 7,400 MB/s read, 6,500 MB/s write
Up to 40% less power consumption than DRAM cache-enabled PCIe Gen 4 SSDs
Host Memory Buffer (HMB) 3.0 enables your device's DRAM cache feature for smoother transfer speeds and seamless performance
Designed for hardcore gamers, professionals, and developers
Compatible with Playstation 5
Troubleshooting steps Check whether the problem is with the SSD or the device. To check if the issue is with the SSD and not with the device, we recommend that you use the SSD on your computer. You should also try the SSD on another
NOTE — If you're using a corporate computer, make sure your IT department doesn't block files from being saved to removable drives

8.7

Excellent

We scanned 370 products

We reviewed these offers relevant to the 4tb Ssd within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Samsung, SanDisk, Crucial, SAMSUNG, WD_BLACK, Lexar, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best 4tb Ssd in the market, we considered we took a deep dive into 1851 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Samsung T7 Grey 4TB Portable External SSD USB-C PC/MAC. We love many things about this product by Samsung. What sets it apart from the competition is Maximized drive performance effortlessly, Superior overheat resistance ensured, Blazingly fast data transfer.
The best value product for most shoppers and where user satisfaction is continuously the highest is Samsung 990 PRO NVMe M.2 SSD, 4 TB, PCIe 4.0, 7,450 MB/s read, 6,900 MB/s write, Internal SSD, For gaming and video editing, MZ-V9P4T0BW by Samsung based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for 4tb Ssd and the best cost-to-value ratio is Crucial P310 4TB SSD M.2 2280 NVMe PCIe Gen4 Internal Gaming SSD, Up to 7,100MB/s, Laptop & Desktop (PC) Compatible, Solid State Drive - CT4000P310SSD801at Crucial with a 21% discount.
Our list of the best 4tb Ssd is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best 4tb Ssd in The UK

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Crucial P3 Plus SSD 4TB M.2 NVMe PCIe Gen4 Internal SSD, Up to 4800MB/s, Laptop & Desktop (PC) Compatible, Solid State Drive - CT4000P3PSSD801

Crucial BX500 SATA SSD 4TB, 2.5" Internal SSD, Up to 540MB/s, Laptop and Desktop (PC) Compatible, 3D NAND, Dynamic Write Acceleration, Solid State Drive - CT4000BX500SSD101

KingSpec 4TB 2.5" SATA III 6Gb/s SSD, Read Speed up to 550MB/s, 3D NAND Flash Internal Solid State Drive for Desktop & Laptop

fanxiang 4TB PCIe NVMe SSD Gen 4 Gaming SSD M.2 2280, Up to 7300MB/s Compatible with PS5, Internal Solid State Drive for Gamers, Professionals, Creators S880E

SanDisk 4TB Ultra 3D SSD up to 560 MB/s SATA 2.5"

fanxiang 4TB SSD SATA III 6Gb/s 2.5″,Up to 550MB/s, SATA SSD 4TB,Internal Solid State Drives for Laptop,PC Desktops-S101Q

Lexar NM790 4TB SSD, M.2 2280 PCIe Gen4x4 NVMe 1.4 Internal SSD, Up to 7400MB/s Read, Up to 6500MB/s Write, Internal Solid State Drive for PS5, PC, Laptop, Gamers, Professionals (LNM790X004T-RNNNG)

Samsung 990 EVO Plus, 4TB, PCIe 4.0 x4 / 5.0 x2, NVMe2.0 (up to 7250 MB/s), NVMe M.2 (2280), Internal Solid State Drive (SSD), MZ-V9S4T0BW

Crucial X10 Pro 4TB Portable External SSD, Up to 2100MB/s Read and 2000MB/s Write, External Solid State Drive, USB-C 3.2, PC and Mac, Dust and Water Resistance -CT4000X10PROSSD902

Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SP004TBSS3A55S25)

We scanned 370 products

We concluded that: