Since the original card has brought the computer to freeze after 5 years duration, I have acquired as a result of the recession for Mac Pro 1.1 (also my model) the card. The Mac running so again - as you are used it from Apple - properly; although they must be used according to the label until 2010 models. Card installed, turn, ready - with OSX 10.7.2. Volume and the like does not interest me because they (etc. Games) is not subject to extreme conditions. I am happy.