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OWC Express 1M2 80G USB4 SSD 4 TB 6000MB/s

4 TB
was CHF1038.– CHF237.51/1TB
8Ratings
BrandMore from OWC
Test reports1 test
Delivered between Fri, 29.5. and Mon, 1.6.
Only 1 piece in stock at supplier
free shipping

Memory Size3

USB ports2

Product details

The Express 1M2 80G USB4 SSD with a storage capacity of 4 TB offers outstanding performance and flexibility for various user needs. It is suitable for DIY enthusiasts who want to install their own NVMe M.2 SSDs, as well as for plug-and-play users looking for an immediately ready high-performance solution. With an impressive read speed of 6000 MB/s and a write speed of 6000 MB/s, this external SSD ensures fast data transfer and reliable performance. The passive cooling design allows for optimal heat dissipation, enhancing the device's longevity and stability. The SSD is formatted with the Apple File System (APFS), enabling immediate use with Mac and iPad Pro devices. For PC users, a free Drive Guide is available to ensure easy reformatting. This SSD is a future-proof solution that can be easily expanded as storage needs grow.

  • Read speed of 6000 MB/s and write speed of 6000 MB/s for fast data transfers
  • Compatible with Mac and iPad Pro, ready to use thanks to APFS formatting
  • Easy reformatting for Windows users through a free Drive Guide
  • Passive cooling design with deep fins for optimal heat dissipation
  • Expandable solution for growing storage needs.

Key specifications

USB ports
Thunderbolt, Thunderbolt 4, USB-C
Read transfer speed
6000 MB/s

General information

Item number
61851948
Manufacturer
OWC
Category
External SSDs
Manufacturer No.
OWCUS4V2EXP1MT04
Release date
16.9.2025

Colour

Exact colour description
Aluminium

Data storage properties

Storage capacity
4 TB
USB ports
Thunderbolt, Thunderbolt 4, USB-C
Read transfer speed
6000 MB/s

Origin

Country of origin
Taiwan

Voluntary climate contribution

CO₂ emissions
66.6 kg
Climate contribution
CHF 1.58

Scope of delivery

Scope of delivery
Screwdriver, USB-C cable

Package dimensions

Length
16.50 cm
Width
13.40 cm
Height
5 cm
Weight
402 g

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

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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
  • 11.Intenso
    0.9 %
  • 12.Crucial
    1.4 %
  • 13.OWC
    1.5 %
  • 14.Adata
    1.7 %
  • 15.Corsair
    2 %

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.Intenso
    2 days
  • 1.Kingston
    2 days
  • 1.OWC
    2 days
  • 6.Samsung
    3 days
  • 6.Verbatim
    3 days

Return rate

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

Source: Digitec Galaxus
  • 13.Kioxia
    2.5 %
  • 13.LaCie
    2.5 %
  • 15.OWC
    4.2 %
  • 16.Corsair
    4.7 %
  • 17.SanDisk Professional
    5.1 %
Source: Digitec Galaxus

Translation: machine translated
Without ratingNo rating
Macwelt spezialUSB4- und Thunderbolt-5-Laufwerke im TestReleaseJanuary 2026

Data transfer rates of over 6000 MB/s for a mobile drive - such values have hardly ever been achieved before. The fact that the Express 1M2 80G remains "cool" in the truest sense of the word is anything but a matter of course in this speed class. In terms of price, however, it plays in the same league as Thunderbolt 5 drives and is even more expensive at market launch than the comparable Envoy Ultra...