A dedicated sound card will have higher quality components, and higher quality sound.
If you only listen to music now and then and don't think it sounds bad, no harm keepingn the HD.
I have the same board.
If you are thinking of editing audio or listen to a lot of music, I highly recommend picking up a dedicated card.
If you only listen to music now and then and don't think it sounds bad, no harm keepingn the HD.
I have the same board.
If you are thinking of editing audio or listen to a lot of music, I highly recommend picking up a dedicated card.