Summary: I bought this as a second card in my desktop. I've had a 5770 for a while and decided to get another for another monitor when I needed it and crossfire for when I didn't need the third monitor. Its been about 4 years since I bought my first and about a year since the second. I recently played Bioshock Infinite on medium and it ran extreamly well, and with the graphics all the way up it would run great till a battle broke out.
Summary: I bought this to install as a second card in my computer. the card is fine i just had to do a ton of work to get it to actually work with my set up. The problems i had were more the cause of my motherboard than the graphics cards... my advice: make sure the card is seated properly and you can save yourself a few hours of troubleshooting.
Summary: I purchased this card in the hope that I could crossfire link it with its twin that was already residing in my Mac Pro Server. Unfortunately, I later discovered that like with just about every card-slot upgrade one can get for this machine, you need to be running Windows in order to unlock its full capability - meaning that crossfire is only supported in Windows in this specific case. Having two video cards in this system will allow the use of up to six monitors though.
Summary: I was going to have to buy a new computer because my old one was "vintage" yeah not cool. but it's working great with this installed! Only issue I had with it was, it didn't fit in all the way no matter what I tried. it still works!
Great upgrade from stock card but for my flight simulator more is needed!!
2 May 2012
Summary: Purchased the card specifically for my Mac Pro Desktop to run Xplane flight simulators and up to 4 monitors. Much better then my stock graphics card (can run more options) but still can't run max options like I want without it bogging down or slowing the frame rate . I don't believe this was as good as I could have gotten.
Summary: I purchased a secondhand 2006 Mac Pro with a 30" monitor that originally had only 256mb of vram. Some of the most recent programs such as Autocad 2012 for Mac and Rhino 5 were noticeably laggy when I first ran them, which prompted me to upgrade its video card with the one here. After installing It, I noticed SIGNIFICANT performance increases which made me quite happy about my purchase!
Summary: I was completely happy with this card in my machine, i could max out settings on almost all games such as LFD2, Dragon Age, Dirt, etc.. I had a great experience with this card and so will you. Very overclockable if you replace the thermal paste and have proper cooling in your tower.
Summary: Before I get into the meat of the matter, There are two reasons why I knocked a star off the rating: 1) Price. Granted, it works with EFI machines, but still it's overpriced. 2) No "official" support for earlier Mac Pros, even though it works fine. Sure, I know it requires Apple to qualify it and pass various tests for EFI and the like, but they are ignoring a big market.