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Home/All Brands/OWC/OWC Accelsior 1M2 M.2 SSD to PCIe 4.0 Adapter Card
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OWC Accelsior 1M2 M.2 SSD to PCIe 4.0 Adapter Card
OWC Accelsior 1M2 M.2 SSD to PCIe 4.0 Adapter Card
OWC Accelsior 1M2 M.2 SSD to PCIe 4.0 Adapter Card

OWC Accelsior 1M2 M.2 SSD to PCIe 4.0 Adapter Card

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Product Information


Boost. Expand. Maximise.

If you’re looking to upgrade your desktop machine’s performance, build a custom system, or expand a server’s capabilities, the Accelsior 1M2 is the cost-effective solution. This x4 PCIe M.2 SSD adapter card lets you add your choice of M-Key M.2 PCIe SSD to increase the speed and storage/backup capacity of your 2019 Mac Pro, 2012 and 2010 Mac Pro, or PC tower and enjoy:

  • Near instant start-up and business critical app launching
  • Real-time processing of intensive transfer tasks like multi-stream video editing
  • Shorter render, capture, and process times in video suites like Adobe Premier, Final Cut Pro/Pro X, DaVinci Resolve, and Avid Pro Tools
  • Quicker production capabilities in photo and audio platforms like Adobe Photoshop, Lightroom, and Apple Logic Pro X
  • Faster game level-loading, responsiveness, and save times
  • More years of productive use from your machine

Low Frills…High Thrills

When your primary upgrade goal is to make your machine as fast as possible with maximum cost effectiveness, the Accelsior 1M2 adapter card is the answer. It was designed with one, no-frills purpose: utilise an open PCIe slot to deliver the thrilling speed advantage of an M.2 PCIe SSD like the OWC Aura P12. No RAID decisions, no set-up hassle, no SATA bottleneck…just add your own drive to this card for pure unadulterated storage performance that can’t be beat.

Perfect Inside or Out

By supporting PCIe 4.0/3.0/2.0/1.0 motherboards and able to plug into x4/x8/x16 PCIe slots, the Accelsior 1M2 adapter card is a perfect performance upgrade for a wide variety of full-sized and small form factor computers.

  • Adaptable: supports the latest M.2 NVMe and legacy AHCI SSDs in M-key 2230, 2242, 2260, 2280, and 22110 lengths
  • Versatile: installs into x4, x8 or x16 PCIe slots
  • Boosts performance: over 3000MB/s real-world speed for bandwidth-heavy projects, high demand server applications, and superior gaming
  • Bootable: start working in seconds
  • Store more: adds capacity for critical projects, files and games
  • Slot-powered: no extra power cables needed
  • Plug and play: no drivers needed


RAID Support
Mac OS Compatibility
macOS 10.13.6 or later
PC OS Compatibility
Windows 10 64-bit Edition / Windows Server 2016
Other Requirements
NVMe M.2 SSD with 2230, 2242, 2260, 2280, or 22110 form factor and M-key connector
H: 6.7 x L: 15.4 cm
Activity LED

What's in the box

  • 1 x OWC Accelsior 1M2

Manufacturer Information

Part Number



  • 1 Year Limited Warranty

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