i have a gigabyte ud3-p55 motherboard with an i7 870 and sapphire radeon 4870 gpu with 4gb ram. i am wanting to use it to do home theater as well as photoediting i already do. i wanted to know how well the audio ports work on this motherboard. i have an optical connection on my motherboard and my panasonic surround sound. would this sound good for the surround sound? also will the 4870 run 1080p movies nicely? thanks
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Yes and Yes! You will not get the same sound quality as a high range sound card but good enough for most people.