iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant |

iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant |

Brand iStorage

From

£1,666.01

Free delivery

You save £973.67 (37%)

4 offers at 4 retailers

Listed since 7 April 2026

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Description

Introducing the iStorage diskAshur3 - a state-of-the-art portable HDD/SSD that sets a new benchmark in effortless data security. With its sleek design and user-friendly interface, this brand-new device ensures unparalleled protection for your data. Meticulously crafted to offer enhanced portability and security, the diskAshur3 incorporates all the essential features of other iStorage products, such as PIN protection and hardware encryption, alongside numerous innovative technological advancements.Using the device is effortlessly simple: simply connect to the host USB port (USB Type-A and Type-C cables included) and input the user-configured 8-64 digit PIN. Upon entering the correct PIN, all data stored on the drive will be decrypted and accessible. To lock the drive, simply eject it from the host, and all data will be encrypted.The TAA-compliant drive is available in capacities of up to 16TB and redefines the standard for securing data with ease and confidence.The firmware of the iStorage diskAshur3 complies with FIPS 140-3 Level 3 standards. Additionally, the drive features a secure microprocessor certified to Common Criteria EAL5+, along with a distinctive flash lock mechanism, providing defence against potential firmware attacks on the microprocessor.It also provides robust protection against BadUSB attacks via an innovative secure USB controller firmware protection mechanism. This guarantees the authentication of the USB controller firmware prior to any unlocking attempt, further enhancing security measures.OS & Platform IndependentCross-platform compatible with:MS Windows, macOS, iPadOS, Linux, Android, Chrome, Thin Clients, Zero, Clients, Embedded Systems, Citrix, VMware, DVR’s, Medical Equipment, Printers, Scanners, CCTV.In fact, it will work on any device with a USB port!

Specifications

SSD form factor 2.5"
SSD capacity 4 TB
Read speed 448 MB/s
Write speed 444 MB/s
Thunderbolt technology No
USB connector USB Type-A / USB Type-C
USB version 3.2 Gen 1 (3.1 Gen 1)
Wi-Fi No
Housing material Plastic
Product colour Black
Protection features Dust resistant, Tamper resistant, Water resistant
Windows operating systems supported Yes
Mac operating systems supported Yes
Linux operating systems supported Yes
Mobile operating systems supported Android
Compliance certificates Federal Communications Commission (FCC), CE, WEEE, C-TICK, RoHS, REACH, Trade Agreements Act (TAA)
Hardware encryption Yes
Password protection Yes
PIN-secured access Yes
Security algorithms 256-bit AES-XTS, 256-bit AES-ECB, 256-bit AES-CBC
Lock-out function Yes
TRIM support Yes
S.M.A.R.T. support Yes
Operating temperature (T-T) 0 - 40 °C
Storage temperature (T-T) -20 - 60 °C
Width 83 mm
Depth 20.8 mm
Height 131 mm
Weight 214 g
Package type Box
Cables included USB Type-A, USB Type-C
Quick start guide Yes
Manual Yes
USB Power Delivery (USB PD) Yes
Keypad integrated Yes
Warranty period 3 year(s)
Export Control Classification Number (ECCN) 5A992c
Harmonized System (HS) code 84717098

Full specifications

Marque iStorage
Référence fabricant isda3256ssd4000b
EAN 5060220254312

iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant |: complete technical analysis for 2026

When it comes to Informatique, the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | by iStorage is a reference that savvy buyers know well. Its value for money in 2026 deserves particular attention, especially given its availability across many retailers and the brand's strength in the market. Our comparison tool lets you view all available offers in real time, with or without free delivery, and click directly on the offer of your choice.

Who is this Informatique for?

The iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | benefits from the expertise of iStorage in this category. Its design meets current market standards and satisfies even the most demanding users in their everyday activities. The brand's reliability translates into positive feedback from regular buyers, who particularly appreciate the consistency between the promises of the product sheet and the real-world experience. For the Informatique category, this is an option we recommend without hesitation.

For intensive or occasional use

The iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | adapts to different levels of use in the Informatique category. Whether you use it intensively every day or more occasionally, this iStorage product offers appreciated versatility. Regular users value its reliability over time, while occasional users appreciate how easy it is to pick up without any special training. For even more demanding use, also check the iStorage diskAshur² HDD 2TB Black | Secure Portable Hard Drive |AES-XTS 256-bit Hardware Encryption | PIN protected | OS & Platform Independent | TAA Compliant|Brute force hack defence | Dust/Water Resistant.

Against the competition

In the Informatique market, the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | is well positioned thanks to its price from £1,666.01 and the strength of iStorage. Our comparison tool lets you verify in real time whether this positioning still holds against other available offers.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 384300 £
Mid-range384300 £ to 896710 £
High-endOver 896710 £

The best times to buy the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | at a lower price are Black Friday in November, the January sales and the summer sales in July. Our price history lets you judge whether the current price is a genuine bargain or whether it is worth waiting a few weeks. Outside these periods, flash promotions remain frequent among Compiral's partner retailers.

Frequently asked questions about iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant |

How does the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | compare to competitors in the Informatique category?

In the Informatique category, the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | suitable for beginners?

Yes, the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | is generally appreciated by both beginners and regular users of the Informatique category. It is quick to set up and iStorage usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant |?

Refurbished versions of the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.

When do prices for the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | drop during the year?

Prices for the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | typically drop during Black Friday (November), the January sales and the summer sales (July). Promotional deals are also common around Cyber Monday and the holiday season. Our price history lets you spot trends and assess whether a price drop is likely soon in the Informatique category.

Is delivery free for the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | at all retailers?

Free delivery is not guaranteed for the iStorage diskAshur³ SSD 4TB Black | Secure Portable Solid State Drive | FIPS 140-3 Level 3 Complaint |Common Criteria EAL 5+ | PIN protected | AES-XTS 256-bit hardware encryption | GDPR, TAA Compliant | Dust/Water Resistant | at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

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