I have one, won't be installing it for a week or so, well there is no 4 pin floppy type socket on it but it does have a small interface part on it at the top ( see picture) if this isn't a power interface what is it?
http://img145.imageshack.us/my.php?image=albatron8600gt256pspcrw5.jpg
cheers.
http://img145.imageshack.us/my.php?image=albatron8600gt256pspcrw5.jpg
cheers.