OWC Express 1M2

4 TB
Price in EUR including VAT
EUR161,50/1TB
8Ratings
BrandMore from OWC
Test reports1 test
Delivered between Thu, 24.7. and Sat, 26.7.
Only 4 pieces in stock at supplier
free shipping

Memory Size

Product details

Whether you are reusing a drive, starting with a new drive, or seeking the convenience of an immediately ready solution, an Express 1M2 will equip your workflow with maximum performance and reliability.

Key specifications

Interface
USB-C
Read transfer speed
3151 MB/s
Write transfer speed
3151 MB/s
Form factor
M.2 2280
Item number
40849941

General information

Manufacturer
OWC
Category
External SSD
Manufacturer no.
OWCUS4EXP1MT04
Release date
13.12.2023

Colour

Colour
Silver
Exact colour description
Silver

Data storage properties

Storage capacity
4 TB
Interface
USB-C
Read transfer speed
3151 MB/s
Write transfer speed
3151 MB/s
Form factor
M.2 2280

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1 x Thunderbolt 3 cable - external - 30 cm

Product dimensions

Length
13.20 cm
Width
7 cm
Height
2.30 cm
Weight
260 g

Package dimensions

Length
13 cm
Width
5 cm
Height
16 cm
Weight
300 g

14-day cancellation right
30-day right of return
24 Months statutory warranty
1 additional offer

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Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • 11.Crucial
    1 %
  • 12.Adata
    1,2 %
  • 12.OWC
    1,2 %
  • 14.Kingston
    1,3 %
  • 15.Verbatim
    1,4 %

Statutory 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: Galaxus
  • OWC
    Not enough data
  • 1.Adata
    0 days
  • 1.Intenso
    0 days
  • 1.Transcend
    0 days
  • 4.Crucial
    2 days

Return rate

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

Source: Galaxus
  • 12.Adata
    2,2 %
  • 13.LaCie
    2,3 %
  • 14.Lexar
    4,2 %
  • 15.OWC
    7,1 %
  • 16.SanDisk Professional
    7,3 %
Source: Galaxus

Translation: machine translated
Without ratingNo rating
Macwelt spezialFestplatten und SSDs im TestReleaseMarch 2025
  • PositiveVery high data transfer rates
  • Positivehigh-quality body
  • PositiveGood cooling without ventilation
  • NegativeShort connection cable

Like the Adata solution also presented in the overview, the expensive 1M2 model offers excellent data rates: Thanks to the USB 4.0 interface, up to 3,000 MB/s can be achieved on an ARM Mac. One advantage: thanks to the housing with cooling fins, the model does not require an internal fan (on an Intel Mac, however, it only achieves just under 1,000 MB/s)...