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Home/All Brands/OWC/OWC Accelsior S - 2.5" SSD to PCIe Adapter
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OWC Accelsior S - 2.5" SSD to PCIe Adapter
OWC Accelsior S - 2.5" SSD to PCIe Adapter
OWC Accelsior S - 2.5" SSD to PCIe Adapter
OWC Accelsior S - 2.5" SSD to PCIe Adapter

OWC Accelsior S - 2.5" SSD to PCIe Adapter

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Product Information


Boost the speed of your Mac Pro

Simple to install and super fast, with speeds of up to 550MB/s, the OWC Accelsior gives a much needed boost to your SATA 2 Mac Pro.

The OWC Accelsior is very easy to assemble, you simply mount any 2.5" SSD drive to the backplate and secure with the four included philips screws. Then install it in any available PCIe x4 (or greater) slot.

Download product data sheet
  • Mount any 2.5" SSD drive.
  • Speeds of up to 550 MB/s
  • Plug and Play. No drivers required.
  • Use as a super fast boot disk or scratch disk


OWC Accelsior S Assembly and Installation Video

OWC's step-by-step video of how to and install the OWC Accelsior S PCIe storage card.


Form Factor
Half height, half length
HBA controller
Asmedia 1062
PCIe 2.0 x2
AHCI Compliant
Yes - Plug and Play installation, no drivers required
RoHS Compliant
Read Performance
Up to 550MB/s - this depends on mechanism installed
Write Performance
Write: 530MB/s - this depends on mechanism installed
Operating system compatibility
Mac OS X 10.6 and up
Supported mechanisms
All 2.5" HDD and SSD SATA 1.5, 3.0, 6.0Gb/s
Boot Camp
Not compatible as a Windows boot drive on a Mac

What's in the box

  • OWC Accelsior PCIe 2.0 card
  • 4 SSD mounting screws
  • OWC Accelsior S Quick Start Guide

Manufacturer Information

Part Number



  • 3 Year EU OWC Limited Warranty

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