OWC / Other World Computing Accelsior S PCIe Adapter for 2.5 SATA III SSD Drives
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Mac OS Update Failure
We purchased 14 of these for our v4,1 and v5,1 Mac Pro's which had already been updated with Micron 500GB SSD's. The v4,1 Mac Pro's also had the Flash ROM Update convert them to v5,1 units. Unfortunately, all attempts to upgrade the Mac OS from 10.11.6 (El Capitan) to 10.13.6 (High Sierra) failed. After download the computer would not shutdown to initiate the install. We were forced to remove the OWC PCIe adapter, reinstall the SSD drives back on... Show More
Reviewed on B&H Photo Video
Will not boot in all PCs
I bought this so I could use a Samsung SSD to boot my PC computer (Dell T5500). But after hours of research and contacting tech support, it is clear that it cannot be used for a boot drive in my computer. The BIOS will not recognize the device, and I am using the latest bios available for my computer. The adapter works fine if you do not want to boot from it, however. So beware, the description for this product is misleading. If you want a boot device, get the IOCrest PCI Express card instead, but definitely do not use their drivers! Use the default Windows drivers instead.
Reviewed on B&H Photo Video
This is the one..
If your like me and were looking for a faster PCIe replacement for the discontinuedApricorn Velocity X2 ( the X1 card is nowhere as fast ), then this is the card youll want to order. While the OWC only gives you the single 2.5 inch connection, theApricorn X1 does give you an extra SATA input ( which is nice ) but with theApricornX2 speed no longer available this is your best option.
Reviewed on B&H Photo Video
Functions differently than other PCIe Adapters
Works great, but I have found it kind of annoying that this shows up as an External (and unmountable/ejectable) whereas the Apricorn PCIe adapters I have do not. It can be remounted via disk utility but its been a problem already when I have other editors using the machine who dont know the quirks this deal has
Reviewed on B&H Photo Video
Super easy way to add fast SSD to Mac Pro!
I used this with a Samsung Pro 850 512GB to replace my original hard drive in my Mac Pro 5,1. Super easy, no drivers needed. Booted fine after install and am thinking of getting another one soon as I still have more PCIe slots available.
Reviewed on B&H Photo Video
OWC / Other World Computing Accelsior S PCIe Adapter for 2.5
The easiest way to speed up your operating system is by using the PCIe adapter for your SSD 2.5" SATA III drive. Blazing fast boot up and running of all your programs. Highly recommended upgrade using this OWC PCIe adapter.
Reviewed on B&H Photo Video
Writing Speed is low.
I have a Mac Pro 5.1 and use this card with Mercury Extreme Solid Drive. Reading speed is over 500 MB but writing speed is like 230 MB. Other than that it is fast. No problem so far.
Reviewed on B&H Photo Video
Very easy
As with most OWC products, I'm very satisfied. Install SSD drive of your choice and enjoy the increased transfer/read speed. I use it for my boot drive with a 5.1 Mac Pro.
Reviewed on B&H Photo Video
