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Silver aluminium enclosure for M.2 NVMe SSD with USB-C cable

OWC

OWC Express 1M2 USB4 NVMe enclosure OWCUS4EXP1M2

SKU CH-K9TC-2Z0Z5 MPN OWCUS4EXP1M2

A USB4 NVMe enclosure for M.2 2280, 2242 or 2230 SSDs, delivering up to 3836 MB/s with a patent-pending heat-dissipating design and an included 40 Gb/s cable

  • Form FactorM.2 2280
  • CapacityN/A
  • InterfaceUSB4
  • ColorSilver

Capacity N/A

  • 8TB
  • 1TB
  • N/A

Struck-through versions exist but are not stocked here.

  • Real-world speeds up to 3836 MB/s for rapid file transfers
  • Works with USB4, Thunderbolt and USB-C computers for broad compatibility
  • Patent-pending heat-dissipating design keeps the SSD cool during sustained workloads
  • Accepts NVMe M.2 2280, 2242 or 2230 drives for flexible DIY builds
  • Bus-powered palm-sized enclosure includes 40 Gb/s USB-C cable and screwdriver

DIY USB4 NVMe Enclosure

The OWC Express 1M2 is an enclosure only, designed for users who want to install their own M.2 NVMe SSD. It accepts 2280, 2242 or 2230 form factors and connects via USB4 for broad host compatibility. Buyers needing a drive with storage already installed should choose a different product.

Up to 3836MB/s Real-World Speed

The aluminium heat-sink enclosure is built to sustain the full USB4 bandwidth, delivering up to 3836MB/s with compatible Macs and PCs from 2020 onward. Performance scales with the installed SSD; slower drives or older hosts will not reach this ceiling. Systems without USB4 or Thunderbolt support cannot use the enclosure.

Cable and Screwdriver Included

A 40Gb/s USB-C cable and a screwdriver ship in the box, so the enclosure can be assembled and connected immediately. No additional accessories or software are bundled. Users must supply their own NVMe SSD and any required backup or encryption tools.

Highlights

  • Real-world speeds up to 3836 MB/s for rapid file transfers
  • Works with USB4, Thunderbolt and USB-C computers for broad compatibility
  • Patent-pending heat-dissipating design keeps the SSD cool during sustained workloads
  • Accepts NVMe M.2 2280, 2242 or 2230 drives for flexible DIY builds
  • Bus-powered palm-sized enclosure includes 40 Gb/s USB-C cable and screwdriver

Specifications

BrandOWC
Form FactorM.2 2280
CapacityN/A
InterfaceUSB4
ColorSilver
Shipping weight0.45 kg
Package size163 × 130 × 51 mm

Questions about this item

Will the OWC Express 1M2 USB4 enclosure work with my 2020 Thunderbolt 3 MacBook Pro?

Yes, the enclosure is compatible with Thunderbolt and USB-C computers, so it will function with your 2020 MacBook Pro over its Thunderbolt 3 ports.

How can I verify the OWC Express 1M2 is delivering the 3836MB/s real-world performance after installing my NVMe SSD?

Run a disk benchmark utility such as Blackmagic Disk Speed Test or CrystalDiskMark; sustained sequential read results approaching 3836MB/s confirm the enclosure and drive are operating at full USB4 speed.

Does the OWC Express 1M2 box include an M.2 2280 NVMe SSD or only the enclosure and a 40Gb/s USB-C cable with screwdriver?

The product is an enclosure only; you must supply your own NVMe M.2 2280, 2242, or 2230 SSD, while the package provides the 40Gb/s USB-C cable and a screwdriver for assembly.

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