Corsair EX300U 2TB External SSD

2 TB
CHF118.–/1TB
Delivered between Tue, 7.4. and Wed, 8.4.
Only 2 pieces in stock at third-party supplier
Supplied by
free shipping

Memory Size3

Product details

The Corsair EX300U is an external SSD with a storage capacity of 2 terabytes. It offers high performance with read speeds of up to 1100 MB/s and write speeds also reaching up to 1100 MB/s. This SSD utilizes the modern USB-C interface (USB 3.1 / 3.2 Gen. 2), enabling fast data transfer and is compatible with various operating systems, as it is formatted in the exFAT file system. Its compact design and lightweight build make it an ideal solution for mobile applications, while the MagSafe-compatible magnetic attachment provides added convenience. The EX300U is a reliable choice for anyone in need of a powerful and portable storage solution.

  • High read speed of up to 1100 MB/s
  • High write speed of up to 1100 MB/s
  • Compatible with Windows and Mac OS through exFAT file system
  • MagSafe-compatible magnetic attachment for added convenience.

Key specifications

USB ports
USB-C
Exact USB ports
USB-C 3.2 Gen 2 (1x)
Read transfer speed
1100 MB/s
Write transfer speed
1100 MB/s

General information

Item number
62292670
Manufacturer
Corsair
Category
External SSDs
Manufacturer no.
CSSD-EX300U2TB
Release date
30.9.2025
Sales rank in Category External SSDs
192 of 690

Colour

Colour
BlackGrey
Exact colour description
BlackGrey

Data storage properties

Storage capacity
2 TB
USB ports
USB-C
Exact USB ports
USB-C 3.2 Gen 2 (1x)
Read transfer speed
1100 MB/s
Write transfer speed
1100 MB/s

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂ emissions
42.24 kg
Climate contribution
CHF 0.99

Scope of delivery

Scope of delivery
USB-C to USB-C cable

Product dimensions

Length
6.40 cm
Width
6.43 cm
Height
1.20 cm
Weight
98 g

30-day right of return
24 Months Warranty (Bring-in)
5 additional offers

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «External SSDs» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 13.Synology
    1.4 %
  • 14.Crucial
    1.5 %
  • 15.Adata
    1.7 %
  • 16.Corsair
    2.1 %
  • 17.SanDisk Professional
    2.7 %

Warranty case duration

How 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 Galaxus
  • 1.Corsair
    2 days
  • 1.OWC
    2 days
  • 3.Adata
    3 days
  • 3.Crucial
    3 days
  • 3.Intenso
    3 days

Return rate

How often is a product of this brand in the «External SSDs» category returned?

Source: Digitec Galaxus
  • 13.LaCie
    2.1 %
  • 13.Lexar
    2.1 %
  • 15.OWC
    5 %
  • 16.Corsair
    5.1 %
  • 17.SanDisk Professional
    7.5 %
Source: Digitec Galaxus

Translation: machine translated
Very good80/100
PC Welt Online Logo
PC Welt OnlineSingle testReleaseJanuary 2026
  • PositiveSmall form factor
  • PositiveMagnetic Magsafe fastening
  • Positivehigh transfer rates
  • NegativeOnly 10 gigabits per second

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.