Hello everyone. Need help identifying these. Number 1 and 2 have a label saying that they are a type of laser product? No clue on 3 and 4. Lastly what kind of plating is on 4? I have added a close up of them. Thanks in advance.
Edit the pictures on number 4 didn't come out as good as I hoped. In my city we have have asian jewelry stores that sell what we call asian gold. Its pretty much as close as 24kt gold as you can find. The connectors have a similar color. Hope that helps.

1) looks like terminator heads for fibre optic lines, split them open, probably telco and a tiny DLP chip

2) no idea. Looks like n-bus terminators. If so the boards will be peripheral or telco, the case will be magnesium.

3) compact flash cards. If they look undamaged pick up a usb reader from a resale shop ($2-$5) and test them. 128s run $20+
The lower the capacity the higher the price. Just sold a bunch of 64meg cards for $55 each

4) the ports are gold pin connector class. Toss the bracket peg in there as well. It's plated, or brass. Nothing close to "real" gold. I'm positive on that one.

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Thanks for the help lostinlodos. On number 4 I was using "real" gold as a color description rather than composition. Was able to pop open number 1 here is a picture of it. Will post a picture of number 2 when I can figure how to open it lol.

Peripheral

To update on #2 It looks like it may be telco.

There should be some sort of clips, snaps, slides, or brackets; on each end. Once you get the ends loose the board simply slides out.

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