OWC

OWC Express 1M2 40Gb/s Portable NVMe SSD | USB4 (Thunderbolt Compatible/USB-C) Ultra Fast External SSD Drive with Aluminum Heat Sink Enclosure (Enclosure Only)

Name: OWC Express 1M2 40Gb/s Portable NVMe SSD | USB4 (Thunderbolt Compatible/USB-C) Ultra Fast External SSD Drive with Aluminum Heat Sink Enclosure
Brand: OWC
SKU: B0CPYQPCVP
Price: 78.99 USD
Availability: InStock

By Mike Perry, Hardware Editor · Verified 2026-09-06

Mike Perry has researched PC hardware since 2014, tracking 80+ GPU generations, 50+ retro handheld platforms, and 30+ vintage PC configurations. He synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides. View full credentials →

$78.99

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View Current Price on Amazon → Compare to similar external storage

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.

Bottom line: The OWC Express 1M2 40Gb/s Portable NVMe SSD | USB4 (Thunderbolt Compatible/USB-C) Ultra Fast External SSD Drive with Aluminum Heat Sink Enclosure (Enclosure Only) is a niche pick — read recent reviews before buying in the external storage category, priced around $78.99. Compare close alternatives before committing.

SpecPicks Verdict

SpecPicks scored OWC Express 1M2 40Gb/s Portable NVMe SSD | USB4 (Thunderbolt… using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the external storage category. OWC's external storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Mixed or limited buyer feedback at this price point — focus your evaluation on recent reviews that specifically address build quality and long-term reliability, and shortlist one or two close alternatives before deciding.

Common buyer scenarios for external storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Ultra-compatible: use with USB4, Thunderbolt, and USB-C computers and devices
✓ Backed by OWC's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Ultra-fast: over 2x faster than Thunderbolt portable enclosures with up to 3836MB/s real-world performance
Ultra-compatible: use with USB4, Thunderbolt, and USB-C computers and devices
Ultra-reliable & Innovative: Patented heat-dissipating design offers rugged protection of your SSD while silently keeping drive cool for consistent top speed
Flexible DIY: use your choice of NVMe M.2 2280, 2242, or 2230 SSD
Portable: bus-powered and palm-sized for convenient use anywhere
Complete: includes 40Gb/s USB-C cable and screwdriver for enclosure

Full Specifications

Brand	OWC
Color	Silver
Complete	includes 40Gb/s USB-C cable and screwdriver for enclosure
Portable	bus-powered and palm-sized for convenient use anywhere
Model Name	Express 1M2
Read Speed	3151 megabytes_per_second
Ultra-fast	over 2x faster than Thunderbolt portable enclosures with up to 3836MB/s real-world performance
Unit Count	1 Count
Worry-free	2 Year (enclosure) or 3 Year (solution) OWC Limited Warranty
Form Factor	Portable
Media Speed	3151 megabytes_per_second
Connectivity	USB-C
Flexible DIY	use your choice of NVMe M.2 2280, 2242, or 2230 SSD
Model Number	OWCUS4EXP1M2
Built-In Media	40Gb/s USB-C cable, Assembly Manual and User Guide, OWC Express 1M2, Screwdriver (enclosures only)
Mfr Part Number	OWCUS4EXP1MT04
Number of Items	1
Special Feature	Portable
Ultra-compatible	use with USB4, Thunderbolt, and USB-C computers and devices
Installation Type	External Hard Drive

Ready to buy?

OWC Express 1M2 40Gb/s Portable NVMe SSD | USB4 (Thunderbolt Compatible/USB-C) Ultra Fast External SSD Drive with Aluminum Heat Sink Enclosure (Enclosure Only) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-04-20. Price and availability subject to change.