I think you're looking at low peripheral on the long board. The gold fingers on there are vastly outweighed by the board and may not even have much gold on the fingers.
Gold finger cards are generally PCI cards or other similar connectors that expand the capabilities of your computer or server and have a relatively thick layer of gold. I had several posts with gold finger cards:
HereHereHere and...
HereNone were graded as Gold Finger Cards even though most of them have them.
Unless someone beats me to it I'll have to look and see if I can find anything on those HDD parts. Initial thought is don't tear those off if you can help it, the other end has a small chip and left intact you could probably get a better grade whole.