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Please let me know thank you in advance!

You will need to separate the boards. If they are soldered on, snap them off.

What Pickle said, and you will also need to remove all of your aluminum heatsinks. Any batteries you find, and steel bars such as the one that looks like a saw blade. If you send it in the way it is, I think (and this is just my opinion mind you) they would probably give you partial system price (which is pretty bad for something like) VS the price they would give you for the separate boards.

At least one of the boards is in a black socket.
Remove that board. If it is some sort of RAM and has gold fingers, it would be gold finger RAM.
If it’s not RAM, and has gold fingers, it would be gold finger card, or GFC.
There’s a part number on the back, look it up, google it, should easily find info on it.

In its entirety, the board looks like an all in one device.

On one end of the device are little black jumpers. Pull all of them off. If there’s gold pins inside the jumpers, they’d go as gold pin connectors. If no gold, then scrap metal/shred.

Any boards that are socketed and can be pulled out. Again, if gold fingers on them. Classed as GFC, Gold Finger Card. To get clean GFC rate, all metal fasteners, rails and heat sinks must be removed.

The board all of the cards are plugged or soldered into, is called a backplane.
If there’s any reasonable amount of gold fingers or gold pinned sockets or gold traces on it, then it would go as backplane.

It does not look like much gold on the backplane. At least from what little I can see. If it were me, I’d pull the one socketed board, bend back and forth and snap off the rest. After doing so. Send photos of each board, front and back so we can see what you have.

RFIII

Thank You Very Much for the explanation & Information