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Question about the gold contacts on ram sticks

Smackaroy
By Smackaroy
in CPUs, Motherboards, and Memory
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I have just bought some new ram and I noticed on the gold contact a dark line in them and I inow this isn't a defect because a bought to kits of ram and they both have it. Am I seeing a trace?

20201030_000827.jpg

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5 minutes ago, Smackaroy said:

I have just bought some new ram and I noticed on the gold contact a dark line in them and I inow this isn't a defect because a bought to kits of ram and they both have it. Am I seeing a trace?

Looks like the RAM was previous inserted into slots, possibly for testing at factory.

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3 minutes ago, ddennis002 said:

Looks like the RAM was previous inserted into slots, possibly for testing at factory.

Why would putting them into slots leave that?

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Just now, Smackaroy said:

Why would putting them into slots leave that?

The contacts on the slots probably leave a small cosmetic scratch on the gold plating, or it's intentionally indented to help the slot's pins stay in their lane. Either way, it's nothing to worry about.

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Just now, Smackaroy said:

Why would putting them into slots leave that?

I've seen some board that leave scuff marks on the pins when being inserted and removed from the slots. Looked a lot like what you have pictured.

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1 minute ago, Grabhanem said:

The contacts on the slots probably leave a small cosmetic scratch on the gold plating, or it's intentionally indented to help the slot's pins stay in their lane. Either way, it's nothing to worry about.

Yeah i knew it was nothing to worry about because both sets have it, also I have tested it and it works. Just wanted to know what it was.

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doing a bit more digging it seems to be 100% normal because I found some images. Where I got the image from they weren't talking about the dark line.

640x960.jpg

f05cd20-1.jpg

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