Corsair
EX400U Survivor 4TB USB4 External SSD – Up to 4000 MB/s, IP55 Rugged Drive, Plug & Play for PC, Mac & iPad – Black
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
The CORSAIR EX400U SURVIVOR external SSD combines blazing-fast speed with heavy-duty ruggedness. Boasting USB4 bandwidth and up to 4,000MB/sec read and 3,600MB/sec write speeds, it handles everything from 4K video editing to game storage with ease. Its IP55 rated, impact-resistant housing is capable of shrugging off anything you throw at it. Not just for USB4/Thunderbolt 4 desktops and laptops, the EX400U SURVIVOR is also backward compatible with USB Type-C 3.2 and supports USB Type-C equipped iOS devices. Just plug in for instant power and speed over one cable – no drivers, no delays…
SpecPicks Verdict
SpecPicks classifies Corsair EX400U Survivor 4TB USB4 External SSD – Up to 4000 MB/s… as a category leader on buyer feedback in the external storage category, based on 44 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Corsair's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Highly rated — 5.0★ average across customer reviews
- ✓ Backed by Corsair's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Limited review volume so far — fewer data points on long-term reliability
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Rugged, Environmentally Sealed Housing – A heavy-duty housing stands up to the rigors of daily use, with IP55 protection to keep your data safe from the elements
- Unbelievable USB4 Speed on the Go – With transfer speeds rivaling internal drives – up to 40Gbps via USB4 – the EX400U SURVIVOR handles massive video files, game libraries, and creative workloads with ease
- Plug-and-Play Simplicity – One USB Type-C cable handles both power and data – no drivers, no setup, just powerful storage right out of the box
- Wide-Ranging Compatibility – The EX400U SURVIVOR achieves maximum performance on laptop and desktop hosts with USB4/Thunderbolt 4 ports, with additional support for iOS/iPadOS 13 and later devices with USB Type-C ports and backward compatibility with USB Type-C 3.2 *Performance varies by capacity, Maximum performance requires USB4 or higher connection
- Blazing-Fast NVMe Performance – Enjoy up to 4,000MB/sec read and 3,600MB/sec write speeds to move and edit large files in record time *Performance varies by capacity, Maximum performance requires USB4 or higher connection
Full Specifications
| Brand | Corsair |
|---|---|
| Color | Black |
| Model Name | EX400U SURVIVOR |
| Read Speed | 4000 Megabytes Per Second |
| Unit Count | 1.0 Count |
| Form Factor | External USB Drive |
| Media Speed | 4000 Megabytes Per Second |
| Connectivity | USB |
| Model Number | CSSD-EX400US4TB |
| Compatibility | PC, iOS, Mac |
| Built-In Media | USB Cable |
| Hard-Drive Size | 4 TB |
| Mfr Part Number | CSSD-EX400US4TB |
| Number of Items | 1 |
Ready to buy?
Corsair EX400U Survivor 4TB USB4 External SSD – Up to 4000 MB/s, IP55 Rugged Drive, Plug & Play for PC, Mac & iPad – Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-24. Price and availability subject to change.
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