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OWC Launches Express 1M2 80G, a Thunderbolt 5 SSD Enclosure Promising 6,000MB/s

The bus-powered, fanless enclosure accepts standard NVMe modules to deliver near–internal MacBook Pro performance.

OWC Express 1M2 80G holds up to 8TB, or put in your own NVMe M.2 SSD.
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OWC's Express 1M2 80G is a blisteringly fast portable SSD
OWC express 1M2 80G SSD uses Thunderbolt 5

Overview

  • Sales are live at OWC, Amazon, and retailers like B&H, with the enclosure priced at $219 and preconfigured options from $349 for 1TB to $1,299 for 8TB.
  • Peak throughput requires Thunderbolt 5, while USB4/Thunderbolt 4 connections top out around 3,800 MB/s and Thunderbolt 3 on Mac reaches about 2,800 MB/s.
  • The unit is offered as a DIY chassis or prebuilt up to 8TB, supporting M.2 2280 and 2242 NVMe drives for future upgrades.
  • An all-aluminum, finned design provides passive cooling and the drive runs on bus power via the included USB4 cable.
  • Coverage notes performance can rival recent MacBook Pro internal SSDs in many workflows, with results dependent on the host, the installed NVMe, and connection generation; the drive ships APFS-formatted and is bootable on Mac only.