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The CORSAIR EX400U Survivor 1TB USB4 External SSD is a next-generation portable storage solution engineered for professionals, creators, and gamers who demand uncompromising speed and durability. Built to take full advantage of the USB4 interface, this high-performance external SSD delivers speeds comparable to many internal NVMe drives, allowing you to handle large files, high-resolution media, and intensive workloads with exceptional efficiency.
Harnessing the power of USB4 technology with up to 40Gbps bandwidth, the EX400U achieves impressive sequential read speeds of up to 4,000MB/s and write speeds of up to 3,600MB/s when connected to a compatible USB4 or Thunderbolt 4 system. These ultra-fast transfer rates dramatically reduce wait times when moving massive video projects, high-resolution photo libraries, game installations, or full system backups.
Designed with mobility in mind, the EX400U features a rugged Survivor-series construction built to withstand demanding environments. Its durable enclosure helps protect your data from everyday impacts and challenging conditions, making it an ideal companion for field work, travel, and on-site creative production. Whether you’re working remotely or transporting critical files between locations, this drive is built to perform reliably wherever you go.
Compatibility is another key strength of the EX400U. In addition to USB4 support, it maintains backward compatibility with USB 3.2 and USB-C connections, ensuring it works seamlessly with a wide range of laptops, desktops, and modern devices. It supports Windows, macOS, Linux, and compatible USB-C mobile devices, providing true cross-platform versatility. Simply plug it in and start transferring—no additional drivers or complicated setup required.
The compact form factor makes it easy to slip into a pocket or gear bag, while its advanced internal architecture ensures stable thermal performance during sustained high-speed transfers. This allows you to edit directly from the drive, run demanding applications, or expand your gaming storage without performance bottlenecks.
With its combination of cutting-edge speed, rugged durability, wide compatibility, and portable design, the CORSAIR EX400U Survivor 1TB USB4 External SSD is a powerful storage solution for anyone who needs fast, dependable external performance in a compact, travel-ready package.
| Heatsink Color | BLACK/GREY |
|---|---|
| Storage Temperature | -40°C to +85°C |
| SSD Max Sequential Read ATTO | Up to 4000MB/s |
| Storage Humidity | 93% RH (40° C) |
| SSD Package Contents | EX400U Survivor External SSD, USB-C to USB-C cable (30cm, 40Gb) |
| SSD Compatibility | USB Type-C connector, Windows 10, 11, MacOS 13 and later, iOS/iPadOS 13 and later |
| Vibration | 20 Hz~80 Hz/1.52 mm, 80 Hz~2000 Hz/20G |
| SSD Shock | 1,500 G |
| SSD Operating Temperature | 0°C to +70°C |
| SSD Smart Support | No |
| SSD Max Sequential Write CDM | up to 3500MB/s |
| SSD Max Sequential Read CDM | Up to 4000MB/s |
| SSD Sequential Read Write | Up to 4000MB/s read / 3500MB/s write (USB4 40Gb) |
| SSD Max Sequential Write ATTO | up to 3500MB/s |
|---|---|
| USB Compatibility | Support for Microsoft Windows® 10 and later, Mac OS® 13 and later, iOS/iPadOS 13 and later, and Linux with no driver or software installation necessary | USB Type-C Port required |
| Capacity | 1TB |
| Unformatted Capacity | 1TB |
| USB Package Contents | EX400U SURVIVOR External SSD, USB-C to USB-C cable (30cm, 40Gb, 60W Power Delivery capable), Velcro Strap with clip |
| Operating Temperature | 0°C to 70°C |
| Interface | USB4 |
| Sequential Read Write | Up to 4000MB/s read / 3500MB/s write (USB4 40Gb) |
| Max Sequential Read ATTO | Up to 4000MB/s |
| Max Sequential Read CDM | Up to 4000MB/s |
| Max Sequential Write CDM | up to 3500MB/s |
| Max Sequential Write ATTO | up to 3500MB/s |
| Weight | 0.149kg |








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