'Dont want to be a wet blanket.... but recommend you discuss with the vendor, the suitablity of the replacement card for your particular motherboard.
I only discovered after buying an new Motherboard that the pre-existing AGP card would not do.
Maybe I'm more stupid than I realised, but I had not heard that AGP cards which used to to be 3.0 volts, now tend to be 1.6v. ....... Fortunately the pin spacing is different as well......... Even so it is wise to be aware of the possibility