Summary: This was purchased for use in a Hackintosh and it was as simple as plug-and-play with no incidents to report. It's primary function was to play games, process audio and video with decent performance expectations which it has met flawlessly on both 64-bit Windows 7 Professional and Mac OS Mountain Lion 10.8.5 environments. I would purchase again without any reservations whatsoever.
Summary: I play Battlefield 4 a lot, and the GTX770 can handle any thing that the game throws at you. Very smooth graphics quality on Ultra, using an i7 4790 and Asus Maximus Hero MOBO. There is no heat problem after a very long game, the large pipes and fans can handle it. One thing I really like is that both power plugins have small green LED lights that let you know that the card is receiving power in both plugs. Good for trouble shooting.
Summary: Made a huge difference in iracing. We were getting drops to about 30fps in some of the heavy A-class Nascar races, with the graphics set to pretty low settings. Popped this sucker in, cranked it to 11, and have yet to see a drop under 80fps. The game runs absolutely flawlessly which really helps in these fast paced situations where reaction can mean finishing a race or taking out half the grid.
Summary: Came in mail fast, installed great. Its a big GPU, so make sure you have the case room for it. mounts using screws that are not provided (at least in mine). I used some machine screws, seem to be holding the weight.
Summary: I bought this upon the recommendation of a friend when I was complaining about how my ATI/Radeon card ran so hot I needed noisy fans to keep it cool. This puppy runs just as fast (if not faster) than the Radeon I used to have and does it with a whisper. I don't even need the extra fan on top of my case so I can use that USB port for something else.
Summary: Excellent product. Great performace / price ratio. You can not play top games at highest resolution, but with this card you can play them just 1 step before and below $350, more than good enough.