It's got S-Video, HDMI, RCA, coax, USB, and a digital audio out on the back. Right now I have the HDMI cord going to the onkyo head unit.
I have never built or had an HTPC unit. I am trying to put something together so I can watch all the stuff off the internet, such as Netflix, Youtube, ESPN 3, and also have a bluray/dvd drive/burner in the unit so I can record.
I was told the only way to input the high quality signals and be able to record them was to put that card in.