











See Options
1 Year
$45.99
2 Year
$79.99
3 Year
$119.00
Need help? Ask our experts.
Review Summary
2025-04-27T19:08:08
Outstanding design milled from solid aluminum. Lightening fast. I'm so happy with it I bought another one.
Philip S.
Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500
Browse our FAQ
Silver
Aluminum
1 bay supporting: M.2 drives
Supports M.2 2230, M.2 2242, M.2 2280 "M Key" drives
4TB
1x 4TB OWC Aura Ultra IV PCIe 4.0 NVMe M.2 2280 SSD
NVMe M.2 SSD
Yes
Mac only
M.2
1x Host Port - USB4 (USB-C) up to 40Gb/s (5000MB/s)
USB4 : Up to 40 Gb/s (or 5000 MB/s)
USB: ASM2464PD
USB4 or Thunderbolt (USB-C)1port
macOS 10.13 High Sierra
macOS 10.14 Mojave
macOS 10.15 Catalina
macOS 11.x Big Sur
macOS 12.x Monterey
macOS 13.x Ventura
macOS 14.x Sonoma
Windows 10 32-bit Edition
Windows 10 64-bit Edition
Windows Server 2016
Windows 11
Yes
iPadOS 13
iPadOS 14
iPadOS 15
iPadOS 16
iPadOS 17
iOS 17
Android 13.x
ChromeOS version 102 and later
No
No
Bus-powered
No
Yes
BSMI
CE
FCC
RCM
VCCI
Operating: 41 Degree F to 95 Degree F (5 Degree C to 35 Degree C)
Non-Operating: -4 Degree F to 140 Degree F (-20 Degree C to 60 Degree C)
Operating: 8% to 90% non-condensing
Non-Operating: 5% to 95% non-condensing
0.9 x 5.2 x 2.8" (2.3 x 13.2 x 7cm)
9.12 oz (260g)
810149208850
Quality Product.
By Philip S.
Outstanding design milled from solid aluminum. Lightening fast. I'm so happy with it I bought another one.
How can you elevate your data storage and transfer experience With the Express 1M2 4TB USB4 Portable NVMe M.2 External SSD, you can unlock the ultimate in high-performance data management. This portable SSD is not just a storage device; it's a powerful tool designed to enhance your digital workflow with its fast, reliable, and durable features.
Experience ultra-fast data transfer with real-world performance speeds of up to 3151MB/s. This high-speed SSD is designed to work seamlessly with USB4, Thunderbolt, and USB-C computers and devices, making it a versatile addition to your tech arsenal.
Constructed from aircraft-grade aluminum, the Express 1M2 offers rugged protection for your data while silently keeping the drive cool for consistent top speed. This durable SSD is not only reliable but also portable. It's bus-powered and palm-sized, making it convenient for use anywhere, anytime.
The Express 1M2 is more than just a storage device; it's a customizable solution. Build your own drive or select an OWC Aura SSD powered solution. With its flexible DIY feature, you can use your choice of NVMe M.2 2230, 2242, or 2280 SSD.
This SSD was purposefully built to maximize the performance capabilities of today and tomorrow's USB4 equipped Macs and PCs. With the Express 1M2, you can enjoy highly effective performance, even when editing 4K video, and flexible compatibility with millions of Thunderbolt and USB-C machines and devices.
The Express 1M2's USB4 connectivity assures you of the maximum speed and reliability you count on and expect from every OWC solution. It's designed to support any NVMe M.2 2230, 2242, or 2280 SSD, giving you the freedom of flexibility to use any drive today, including OWC Aura SSDs up to 8.0TB capacity, and be ready for tomorrow's 16TB and future capacities without limit.
The Express 1M2 is ideal for photo and video professionals, DITs, and prosumers/performance enthusiasts. It's ready to go right out of the box, formatted in the native APFS macOS and iPadOS file system for ease-of-use and reliability. With OWC, you don't have to worry about reformatting hassles or confusion - just plug your drive into your Mac or iPad and you're good to go.
At OWC, your data's reliability is our #1 priority. Our data storage products go through countless hours of ongoing development testing and certification processes. We then subject them to extreme real-world abuses. The priority for some drives is to be a mass-produced, lowest price commodity. We do it differently because the reliability of your data and the longevity of an OWC product is priority #1. Trust the Express 1M2 4TB USB4 Portable NVMe M.2 External SSD for all your data storage and transfer needs.