Corsair EX400U 1TB USB4 Portable External Type-C SSD – 3.2 Gen2 2×2 Connections, Up to 40Gbps, Plug and Play, MagSafe, Includes Cable – Windows PC, iOS Mac – Gray
Original price was: $139.99.$109.99Current price is: $109.99.
Price: $139.99 - $109.99
(as of Oct 24, 2025 00:42:31 UTC – Details)
The CORSAIR EX400U USB4 External SSD delivers high-bandwidth external SSD storage with up to 4,000MB/sec sequential read and 3,500MB/sec sequential write speeds for any USB4-equipped PC or Mac, all in a compact, portable profile. The EX400U is also compatible with USB Type-C and Thunderbolt 4 and higher systems. With a simple single-cable plug-and-play setup, CORSAIR SSD Toolbox software for in-depth control, and backed by a three-year warranty, the EX400U offers easy-to-use, lightning-fast external storage. Technical Specifications Product Type: USB4 External SSD Interface: 1x USB Type-C Supported USB Modes: USB4 (40Gb), USB 3.2 Gen2 2×2 (20Gb), USB 3.2 Gen2 (10Gb) backward compatible to USB 3.0 and 2.0* USB4 40Gb connection required for maximum rated performance. Performance: Up to 4,000MB/s Sequential Read, Up to 3,500MB/s Sequential Write Controller: Phison PS2251-21 Capacity: 1000GB MTBF: 1,400,000hrs SMART: Yes TRIM: Yes Garbage Collection: Yes Bad Block Management: Yes Software: Corsair SSD Toolbox Operating System: macOS 13 or later, Windows 10 or later
External SSD with USB4 Connection: Leverage the incredibly high bandwidth of USB4 to move large files for tasks like video and photo editing in seconds.
Lightning-Fast Speeds: Delivers data speeds of up to 4,000MB/sec sequential read and up to 3,500MB/sec sequential write.
Compatible with USB Type-C: Connect via USB Type-C, Thunderbolt 4 and higher for wide compatibility*. *Performance varies by capacity. Maximum performance requires USB4 or higher connection.
Compact Form Factor: Small form factor allows you to take the EX400U with you for high-performance storage on the go.
Simple Plug-and-Play Setup: Easy to use right out of the box with a single connection for power and data on PC or Mac.
Customers say
Customers find the external drive blazing fast for large file transfers and consider it a great SSD. Moreover, they appreciate its value, noting it’s better than DIY alternatives. However, the functionality receives negative feedback, with multiple customers reporting it doesn’t work as described with Macs and Thunderbolt connections.
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