
Crucial CT4000X9SSD902 4TB Portable SSD 1050MB/s USB 3.2
Store up to 4TB and transfer files at 1050MB/s with Crucial's rugged, pocket-sized X9 portable SSD — IP55 rated and drop-proof to 7.5 feet.
*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Key Features
High-speed Performance: Designed for casual gamers and everyday use, this external SSD with up to 1050MB/s accelerates large file transfers, media editing, and backup processes outperforming traditional hard drives
Built to Last: Perfect for travel and all types of weather with IP55 water and dust resistance. Plus, it's drop resistant up to 7.5 ft (2 meters). This portable drive is designed for durability and reliability wherever you go
Broad Compatibility: External drive connects effortlessly with Windows, Mac, iPad Pro, Chromebooks, Android, Linux, PS4, PS5, and Xbox via USB-C and USB-A for easy and fast file transfers
High-Capacity Storage: Store all your photos, videos, backups, and more with this compact 4TB SSD. It's perfect for students, everyday users, and anyone needing secure and reliable storage for their files
Bonus Software Included: Enjoy three months of Mylio Photos plus and Acronis True Image when you purchase and register your external drive
Specifications
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Pros & Cons
👍 Pros
- 4TB capacity in a compact form factor provides ample portable storage without bulk
- 1050MB/s read speed dramatically reduces transfer times for large files and media projects
- IP55 water and dust resistance plus 7.5-foot drop protection make it genuinely travel-ready
- Broad cross-platform compatibility covers Windows, Mac, iPad Pro, Chromebooks, Android, Linux, and gaming consoles
- Bundled Mylio Photos+ and Acronis True Image subscriptions add immediate utility out of the box
👎 Cons
- Write speeds are not specified and may be noticeably slower than the advertised 1050MB/s read speed
- No hardware encryption built in, so sensitive data requires third-party encryption software
- USB 3.2 Gen 2 interface limits throughput compared to newer Thunderbolt or USB4 drives
- At 4TB capacity the price point is significantly higher than equivalent portable hard drives