Quick buying answer
Choose a 4 TB external SSD when you need one portable high-capacity drive for active files, backups or media. Compare the interface and sustained performance, not just the advertised peak speed, and make sure your computer has a port fast enough to use it.
Creators, photographers, gamers and laptop users who need substantial portable storage without installing an internal drive.
Use an internal 4 TB NVMe drive for maximum performance inside one computer, or a larger HDD/NAS solution when capacity value matters more than SSD speed.
Exact 4 TB capacity, USB/Thunderbolt interface, included cable, enclosure durability, sustained speed, warranty and host-port compatibility.
What matters for a UK buyer
External SSD performance depends on both the drive and the host interface. A 20Gbps or USB4-capable drive will fall back to the speed of the port and cable connected to it, so advertised throughput is not guaranteed on every laptop or desktop.
For portable use, enclosure quality and cable compatibility can matter as much as benchmark speed. Compare the complete device rather than an empty enclosure or an internal SSD sold separately.
Advertising / affiliate links. As an Amazon Associate we earn from qualifying purchases. This selection compares offers on Amazon.co.uk, not the entire UK market.
Prices in this selection
2 previous price checks included. Check the time on each product card; availability has not been reconfirmed.
Summary metrics for the filtered selection. Item prices may exclude shipping. Each product card shows its verification time.
Current 4 TB External SSD Deals on Amazon.co.uk
26 of 26 products
Amazon.co.uk | prices in pounds sterling
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
External SSD | 4 TB | USB | New
5% below Amazon reference price £379.99
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Amazon | Shipping may be additional

Crucial X10 4TB External Portable SSD Drive - Up to 2100MB/s, USB-C 3.2 Gen2, IP65 Dust and Water Resistant, External Solid State Drive, Matte Blue - CT4000X10SSD9-02
External SSD | 4 TB | USB | New
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Amazon | Shipping may be additional

WD 4TB My Passport Portable SSD, External NVMe Solid State Drive, USB-C, up to 1050 MB/s, Works with PC, Xbox and Playstation, 2-meters drop resistance, Space Grey
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:14 GMT
Seller when checked: BoulevardBooks FBA | Shipping may be additional

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, Gold - CT4000X10PROSSD9D02
External SSD | 4 TB | USB | New
7% below Amazon reference price £478.31
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Amazon | Shipping may be additional

SANDISK Desk Drive SSD 4TB , Up to 1000MB/s Read Speeds | External SSD, USB Type-C, High Capacity Solid State Drive, Backup, Archive, Acronis True Image Software
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:15 GMT
Seller when checked: Amazon EU | Shipping may be additional

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
External SSD | 4 TB | USB | New
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Amazon | Shipping may be additional

Lexar ES5 Portable SSD 4TB, up to 2000MB/s R/W, Magsafe External SSD | USB 3.2 Gen2x2 IP65, Support Apple ProRes 4K for iPhone 17 and Galaxy S25 8K, for Laptop, Liquid Silicon Build
External SSD | 4 TB | USB | New
Last checked: 02-11-2026 06:49 GMT
Seller when checked: YISAVE TECHNOLOGY (HK) | Shipping may be additional

SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s - USB-C, USB 3.2 Gen 2 - External Solid State Drive - SDSSDE61-4T00-G25B
External SSD | 4 TB | USB | Low stock | New
Previously retrieved price; check the current offer.
Last checked: 29-10-2026 17:23 GMT
Seller when checked: Amazon EU | Shipping may be additional

SanDisk Extreme PRO Portable SSD 4TB, Up to 2000MB/s Read Speeds, Monterey | External SSD, USB-C, Water & Dust Resistant, Up to 3M Drop Protection, 256 bit AES Encryption, Ideal for PC, Mac, Consoles
External SSD | 4 TB | USB | Future availability | New
4% below Amazon reference price £538.00
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Zaxetic | Shipping may be additional

SanDisk Extreme Portable SSD 4TB - Up to 1050MB/s Read Speeds (Older Model) | External SSD, USB-C, Compatible with PC, Mac, Consoles, IP65 Water+Dust Resistant, Up to 3M Drop Protection, AES Encryption
External SSD | 4 TB | USB | New
Last checked: 02-11-2026 06:50 GMT
Seller when checked: Amazon | Shipping may be additional

SanDisk Creator PRO Portable SSD 4TB, Up to 2000MB/s Read Speeds | External SSD, Up to 3M Drop Protection, IP65 Water & Dust Resistance, Space for AI Content, 1 Month Adobe Creative Cloud
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:14 GMT
Seller when checked: SJ Commerce Group Ltd | Shipping may be additional

SanDisk 4TB Extreme PRO Portable SSD - Up to 2000MB/s Read Speeds - Black | External SSD, USB-C, Water & Dust Resistant, Up to 3M Drop Protection, 256 bit AES Encryption, Ideal for PC, Mac, Consoles
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 06:50 GMT
Seller when checked: Amazon | Shipping may be additional

Kingston XS2000 4TB External SSD USB 3.2 Gen 2 Portable Solid State Drive -SXS2000/4000G
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 06:52 GMT
Seller when checked: Walimax Limited (VAT Registered) | Shipping may be additional

WD_BLACK SN850X NVMe SSD 4TB (Up to 7,300 MB/s read speed, Up to 6,600 MB/s write speed, M.2 2280, PCIe Gen4, Gaming Storage Expansion, High Performance Internal solid state drive) POWERED BY SANDISK
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:18 GMT
Seller when checked: BASILLIA | Shipping may be additional

X10 PRO 4TB PORATBLE SSD
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 06:51 GMT
Seller when checked: 123 Cameras UK | Shipping may be additional

SAMSUNG 4TB Portable T7 SSD
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:14 GMT
Seller when checked: PICKET | Shipping may be additional

SANDISK Extreme Portable SSD 4TB, Up to 2000MB/s Transfer Speed(New Model) | External SSD, USB-C, IP65 Water & Dust Resistant, Up to 3M Drop Protection, 256-bit AES Encryption, Space for AI-content
External SSD | 4 TB | USB | Low stock | New
9% below Amazon list price £801.99
Last checked: 02-11-2026 08:14 GMT
Seller when checked: Moonever | Shipping may be additional

Samsung T7 Shield Portable SSD 4 TB - USB 3.2 Gen.2 External SSD Black (MU-PE4T0S/EU)
External SSD | 4 TB | USB | Low stock | New
21% below Amazon list price £945.79
Last checked: 02-11-2026 10:15 GMT
Seller when checked: Amazon EU | Shipping may be additional

Samsung Portable SSD T7, 4TB, Titan Gray, USB3.2, Type-C, R/W(Max) 1,050MB/s, Aluminium Case, 3 Years Warranty (MU-PC4T0T/WW)
External SSD | 4 TB | USB | Low stock | New
17% below Amazon list price £905.49
Last checked: 02-11-2026 07:40 GMT
Seller when checked: LegacyRetailerUK | Shipping may be additional

Lexar SL500 Portable Solid State Drive 4TB Up to 2000MB/s Read Compatible with Type C Laptops, iPhone 15, Smartphones, Tablets, PS5, Xbox, USB 3.2 Gen 2x2, Slim and Lightweight, SSD
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:11 GMT
Seller when checked: Amazon US | Shipping may be additional

Lexar 4TB Armor 700 Portable SSD, Up to 2000MB/s, USB 3.2 Gen 2x2, Rugged, IP66 Water & Dust Resistance, Compatible w/iPhone 15, Cameras, Gaming Consoles, External SSD, Dark Blue (LAR700X004T-RNLNU)
External SSD | 4 TB | USB | Low stock | New
Last checked: 02-11-2026 08:11 GMT
Seller when checked: Amazon US | Shipping may be additional

SanDisk Professional 4TB PRO-G40 SSD external Drive, Portable SSD, up to 3000 MB per sec, Thunderbolt 3 (40Gbps), USB-C (10Gbps), Ultra-rugged with IP68 rating for dust and water resistance
External SSD | 4 TB | Thunderbolt | Low stock | New
Last checked: 02-11-2026 08:15 GMT
Seller when checked: GoFast [VAT] | Shipping may be additional

SAMSUNG T9 4TB, Portable SSD, up to 2000MB/s, USB 3.2 Gen 2x2 (20Gbps) NVMe | | External Solid State Drive for Gaming, Students and Professionals, MU-PG4T0B/AM, Black
External SSD | 4 TB | USB | Low stock | New
Previously retrieved price; check the current offer.
Last checked: 30-10-2026 05:46 GMT
Seller when checked: Texeno | Shipping may be additional

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
External SSD | 4 TB | USB | New
10% below Amazon list price £945.79
Last checked: 02-11-2026 08:16 GMT
Seller when checked: Amazon | Shipping may be additional

SANDISK Extreme PRO Portable SSD 4TB, Up to 3,800MB/s Read Speeds, USB4 | External SSD, Backwards compatible USB-C + Thunderbolt, Up to 2 Meter Drop Protection, rugged silicone shell, aluminum chasis
External SSD | 4 TB | Thunderbolt | New
Last checked: 02-11-2026 06:50 GMT
Seller when checked: Amazon | Shipping may be additional

SanDisk Extreme PRO Portable SSD 4TB, Up to 4000MB/s Read Speeds(New Model) | External SSD, USB-C+USB4 Connectivity, IP65 Water & Dust Resistance, Up to 3M Drop Protection, Space for AI Project Workflows
External SSD | 4 TB | USB | New
Last checked: 02-11-2026 06:51 GMT
Seller when checked: Amazon | Shipping may be additional
Try different filters or review the buying guide below. A missing API offer does not prove that the product is unavailable from every seller.
Prices and availability can change. The price shown on Amazon.co.uk at purchase time is the one that matters. Confirm configuration, seller, condition, shipping and delivery.
Certain content on this website comes from Amazon. This content is provided as-is and may be changed or removed at any time.
Calculate your own cost per TB
Use the capacity actually delivered and your own purchase price. This is a calculator, not a retailer price.
Which choice fits your situation?
| Use | Prioritise | Check |
|---|---|---|
| Portable projects | Fast interface | Host port and cable |
| Backup | Reliability and capacity | Delivered cost |
| Travel | Size/durability | Warranty |
Detailed buying guide
What should you decide before comparing 4 TB external SSD prices?
Confirm that you need a complete 4 TB external SSD rather than an empty enclosure or internal drive.
Once that requirement is fixed, compare like-for-like products rather than assuming the cheapest listing is the best fit.
How should you compare UK prices?
Compare interfaces and sustained performance alongside the £/TB figure.
Use the live Amazon.co.uk item price as one input, then check seller, delivery, warranty and the exact configuration before ordering.
Which specification matters most?
The host port and cable can limit a fast external SSD well below its advertised speed.
A headline specification is useful only when the rest of the product matches your system and workload.
How do you avoid buying the wrong variant?
Check the exact model number, capacity and included hardware on the final listing. Product families often share nearly identical names across several configurations.
CloudZat keeps ambiguous products out of exact scopes rather than assuming that a nearby variant is the one named in the page heading.
What does the Amazon.co.uk price represent?
The card uses the last successful Amazon.co.uk offer returned through the configured Creators API. It is not a claim that Amazon is the cheapest UK retailer.
If a later refresh fails, the previous successful value can remain in retention mode with its original verification time. Confirm the live checkout price before buying.
Should you wait for a sale?
Buy when the current configuration meets your need at a price you are comfortable with. A discount badge by itself does not prove strong value.
This release does not claim permanent price history or a historical low. Compare the current price with realistic alternatives that solve the same problem.
What other costs should you include?
Include any replacement cable or adapter only when it is actually required.
Treat separately priced accessories as separate purchases unless the listing explicitly includes them.
How this comparison works
The selection uses the Amazon.co.uk Creators API. Product identity, category, capacity and configuration are checked before an item enters the comparison. Accessories and ambiguous variants are not used as substitutes for the requested product. Unknown specifications remain unknown.
Each verification time stays tied to the successful price request. An error, missing offer or empty image value does not make older data newer. A previously retrieved price is not confirmation of current stock. Images are loaded from the source and their continued availability is not guaranteed.
The figures apply only to the filtered selection. There is no permanent price history, automatic price alert or claim that this selection covers every UK retailer. Any discount percentage is based only on an Amazon-provided reference basis and is hidden for older retained price data.
Frequently asked questions
Are these prices from every UK retailer?
No. This page compares selected Amazon.co.uk offers. It is not a complete UK market comparison.
Why might an older price still appear?
If a refresh fails or omits a usable offer, the last successful price can remain in retention mode with its original verification time.
Are prices shown in pounds sterling?
Yes. Valid offers for this UK section must be returned in GBP, and cards use £ formatting.
Are shipping costs included?
The comparison uses the item price unless shipping information is explicitly available. Confirm the final delivered cost on Amazon.co.uk.
Does CloudZat guarantee that every 4 tb external ssd prices will work with my setup?
No. Check the host USB/Thunderbolt specification, operating-system support and included cable before buying.
Does this page include permanent price history?
No. This version compares current or last successfully verified offers and does not claim 30-day lows or permanent historical price tracking.











