http://www.ncix.com/search/?categoryid=0&q=p67a-c43
It actually takes me a little while to figure out how the front USB on this board works, but that looks like the main key difference in functionality between this and the C45
http://www.ncix.com/search/?categoryid=0&q=p67a-c43
It actually takes me a little while to figure out how the front USB on this board works, but that looks like the main key difference in functionality between this and the C45