The Corsair EX300U 4TB External SSD is a powerful and versatile storage solution, ideal for users who require high speeds and large storage capacities. With a storage capacity of 4 terabytes, this external solid-state drive offers ample space for extensive data, whether for professional applications, multimedia content, or personal files. The SSD utilizes the modern USB-C interface and supports USB 3.1 (3.1 / 3.2 Gen. 2), enabling a maximum read speed of up to 1100 MB/s and an equally high write speed. This ensures fast data transfer and efficient workflow. The EX300U is also formatted with an exFAT file system, ensuring compatibility with both Windows and Mac operating systems. Its compact design and sleek black finish make it a practical companion for on-the-go use.
USB ports | USB-C |
Read transfer speed | 1100 MB/s |
Write transfer speed | 1100 MB/s |
SSD Features | Password protected |
Item number | 62292672 |
Manufacturer | Corsair |
Category | External SSDs |
Manufacturer No. | CSSD-EX300U4TB |
Release date | 30.9.2025 |
Colour | Black, Grey |
Exact colour description | Black, Grey, Grey |
Storage capacity | 4 TB |
USB ports | USB-C |
Read transfer speed | 1100 MB/s |
Write transfer speed | 1100 MB/s |
SSD Features | Password protected |
Country of origin | Taiwan |
Manufacturer commitment | SBTi |
CO₂ emissions | 15.9 kg |
Climate contribution | CHF 0.38 |
Scope of delivery | USB C to C cable |
Length | 6.40 cm |
Width | 6.43 cm |
Height | 1.20 cm |
Weight | 98 g |
Length | 13.50 cm |
Width | 11 cm |
Height | 2.50 cm |
Weight | 96 g |
How often does a product of this brand in the «External SSDs» category have a defect within the first 24 months?
Source: Digitec GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec GalaxusHow often is a product of this brand in the «External SSDs» category returned?
Source: Digitec Galaxus
If you're looking for a high performance SSD that you can attach to the back of your MagSafe device, the EX300U is an affordable (albeit slightly slower) choice for additional storage via USB.