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"If you have a Mac Pro running a Radeon HD 5770, Radeon HD 4870, GeForce GTX 285, Quadro 4000, GeForce GT120, GeForce 8800 GT, the new Sapphire HD 7950 would make a very strong upgrade. " — Rob-ART Morgan, Bare Feats 
"For the right tasks, the Sapphire HD 7950 installed into a 2009/2010/2012 Mac Pro falls squarely into the D300/D500 GPU range on the new Mac Pro." — Lloyd Chambers, Mac Performance Guide 
This works great with BENQ 32-inch 4K display.
CAVEAT: had lots of 'sync' problems with mini-dp to DP, and min-dp to mini-dp. Solution was to get Cable Matters Gold Plated DVI-D Dual Link Cable with Ferrites 10 Feet; and amazing fix.
So, if you run into the "flashing" issue with mini-DP to DP cable, get the dual link DVI-D.
With Geekbench 4, the video score went from 22,737 with an Apple 5570 card to 88,635 with this card. The GT120 I started with isn't even worth testing for speed ;-)
https://browser.geekbench.com/user/31548
Great solution from MacSales/OWC as always. Upgraded SSDs, upgraded RAID over eSATA/6g, upgraded PCI+SSD/6G. AWESOME!!! :-)
I would recommend this item to a friend! This review is from Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).On 10.10, 10.11, It's great !!!!!
I would recommend this item to a friend! This review is from Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).The Sapphire is a good addition to my E2 PCI Express SSD upgrade and makes Photoshop and Lightroom much faster now (my primary apps on this Mac). These upgrades will extend the useful life of this 2011 machine many years. I prefer the Mac Pro platform over some of the newer machines for ease of upgradeability and usefulness. OWC has all the hardware to make my old computer run like a new one, at much less cost.
I would recommend this item to a friend! This review is from Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).I also appreciated the opportunity to have OWC take care of re-purposing my old video card to help reduce electronic waste.
I would recommend this item to a friend! This review is from Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).*My experience with gaming in bootcamp on windows 7 -- this performs slightly better than on OS X 10.11. Personally, i'd like to gripe that this has to do with apple's drivers vs windows drivers. Also, like any fan, this can be very audible on high processing.
Though pricey vs the PC counterpart - i would recommend this for anyone trying to extend the life of their pre-2013 MacPros.
I would recommend this item to a friend!The MacPro towers, although discontinued, have tremendous potential for upgrading components and the Sapphire was a worthwhile expenditure. I recommend this GPU for anyone seeking to extend the life of their older model MacPro.
I would recommend this item to a friend! This review is from (*) Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).Second, once installed the Mac recognized the card and all seems well. It's very quiet. Of course, I've only had the card installed for 24 hours so I can't comment about quality or durability or how much performance has improved. I want to hold onto this MacPro for as long as possible (it's just so easy to get inside and add/replace stuff) and while my former card was working fine I figured a power boost couldn't hurt.
Of course, the shipping and ordering from OWC was very easy, as I've come to expect.
I would recommend this item to a friend! This review is from (*) Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).The Sapphire HD 7950 Mac Edition works flawlessly in both Mavericks and Windows. I play GTA V and it rocks!. I also use Premiere Pro and After Effects CS 6 on the Mac side without any issues. I lucked out. The card I got was flawless. I highly recommend this video card to any old time Mac user who wants to add new life to their tower Mac Pro.
I would recommend this item to a friend! This review is from (*) Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).And for those of you wondering if it works with El Capitan: YES it works with El Capitan and Yosemite..
Now for a some caveats:
First. there is NO HDMI Audio with the card for Yosemite without a hack that will no longer work with El Capitan (thanks to SIP on El Capitan). Apple now only supports kernel extensions for the cards that *it* sold or with chipsets that *it* supports. So while the stock video card HDMI audio worked well, the Sapphire does not at all.
Next, This is not an Apple-endorsed card or one that apple sold. You will find that when you run the Apple Hardware Test with this card installed the AHT will fail with an error like this:
Alert! Apple Hardware Test has detected an error.
4SNS/1/C0000008: Te1S—124
This error after some research on Google shows that it is failing a PCI sensor test. Further research also shows the underlying reason: The sensor and EFI system doesn’t recognize this card so it generates an error basically saying something “doesn’t look right”. Other hardware diagnostic tools available for the mac will show that after the computer starts everything is working as expected including PCI sensors.
Finally there’s one more problem - you might find that the card fails EFI boot and the Mac “chime” sound on startup echoes and echoes requiring another power down and restart. This will depend on the screen you’re using and the port on the card. While the card supports Display Port 1.2 (and is backward-compatible with DP 1.1) the Mac Pro EFI implementation in the older macs does not recognize DP 1.2 at all and DP 1.1 is a bit half-baked based on my tests. The result is that DP 1.1 can be a bit iffy depending on the display screen being used. In the case of my Samsung display that was the case. The end fix for me was to use an HDMI cable with the display. Your own results may vary of course.
All in all, this is a great upgrade to the stock cards and will add years to your Mac Pro.
I would recommend this item to a friend! This review is from (*) Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).P.S. I recommend this video card but I never wrote "recommend to a friend". OWC made that up.
I would recommend this item to a friend! This review is from (*) Sapphire HD 7950 Mac Edition PICe Graphics Card for Mac Pro (2009 - 2012).
