Corsair EX400U 2TB USB4 Portable External Type-C SSD – Up to 4,000MB/s Read, 3,600MB/s Write, USB 3.2 Gen2 2×2, Plug and Play, Thunderbolt 4, MagSafe, Includes 40Gbps Cable, Windows PC, iOS Mac – Gray

Price: $199.99
(as of Oct 17, 2025 07:53:25 UTC – Details)


The CORSAIR EX400U USB4 External SSD delivers high-bandwidth external SSD storage with up to 4,000MB/sec sequential read and 3,600MB/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 3,600MB/s Sequential Write Controller: Phison PS2251-21 Capacity: 2000GB 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 3,600MB/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.