Corsair EX300U 4TB USB 3.2 Gen 2 External SSD (USB-C) 1100 MB/s Read 1100 MB/sWrite CSSD-EX300U4TB

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Warranty: 1 Year

SKU:

CSSD-EX300U4TB

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More Information

4 TB portable external SSD with USB-C connectivity.
USB 3.2 Gen 2 (10 Gbps) interface for fast file transfers.
Up to 1,100 MB/s read and write speeds. † CORSAIR
Plug-and-play with Windows, macOS, iOS, Android, and more.
Shock and vibration resistant for portability.
Compact, pocket-ready gunmetal external SSD.
Includes USB-C cables (straight and right-angle).

Environmental & Reliability

Heatsink Color	GUNMETAL
Storage Temperature	-40°C to +85°C
Storage Humidity	93% RH (40°C)
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

Compatibility & Package

SSD Package Contents	EX300U External SSD, USB-C to USB-C cable (30cm), USB-C to USB-C 90° cable (7cm)
SSD Compatibility	USB Type-C connector; Windows 10/11, macOS, iOS, Android
USB Compatibility	Supports Windows® 10+ / macOS® 13+ / iOS/iPadOS 13+ / Linux (no drivers); USB-C Port required

Performance

Interface	USB 3.2 Gen2 (10Gb/s)
Sequential Read / Write	up to 1,100MB/s read / up to 1,100MB/s write
Max Sequential Read ATTO	up to 1,100MB/s
Max Sequential Read CDM	up to 1,100MB/s
Max Sequential Write CDM	up to 1,100MB/s
Max Sequential Write ATTO	up to 1,100MB/s

Capacity & Physical

Unformatted Capacity	4TB
Weight	0.098kg

GTIN: 840440411901

Weight: 0.500000

Colour: Black

Manufacturer: CORSAIR

Warranty: 1 Year

Dimensions: 130 × 85 × 25 mm

The Corsair EX300U 4TB USB 3.2 Gen 2 External SSD is a high-capacity, high-performance portable storage solution designed for users who require speed, reliability, and maximum flexibility in a compact form factor. Built with advanced solid-state technology and backed by Corsair’s renowned engineering standards, the EX300U delivers exceptional performance for professionals, content creators, gamers, and power users who work with large volumes of data.

Utilizing the USB 3.2 Gen 2 interface and a modern USB-C connection, this external SSD achieves impressive sequential read and write speeds of up to 1100 MB/s, enabling ultra-fast file transfers and significantly reducing waiting times. Whether you are transferring large video files, backing up critical data, editing high-resolution media directly from the drive, or running applications on the go, the EX300U ensures smooth, consistent, and responsive performance.

With a massive 4TB storage capacity, the EX300U provides ample space for extensive media libraries, professional project files, game installations, system backups, and archival data. The solid-state design offers key advantages over traditional external hard drives, including faster access times, silent operation, improved durability, and lower power consumption, thanks to its lack of moving parts.

Designed for portability, the Corsair EX300U features a compact and lightweight enclosure that fits easily into a laptop bag or pocket, making it ideal for mobile workflows and travel. Its durable construction helps protect your data from everyday bumps and vibrations, while maintaining a sleek and professional appearance.

The EX300U offers broad compatibility with Windows, macOS, iOS, Android, and Linux systems that support USB-C, delivering true plug-and-play convenience with no additional drivers required. Included USB-C cables further enhance versatility, ensuring easy connectivity across modern devices.

Combining high-speed performance, large storage capacity, and reliable build quality, the Corsair EX300U 4TB External SSD is an excellent choice for users who need fast, secure, and portable storage without compromise—whether in the office, studio, or on the move.