What do these numbers mean on my laptop RAMs?

Totos

Reputable
Oct 19, 2014
4
0
4,510
My mom's boss gave me 3 laptop RAMs (or atleast I think they are for laptop) since he said that he bought the wrong ones. However they were given to me without packaging and I don't know what the numbers on them mean. I want to sell them since I have no need for them right now but I don't know what specs to post on my ad.

The first RAM shows these numbers:
1GB 2Rx8 PC2-5300S-555-12

And the other two which are the same shows this:
2GB 1Rx8 PC3-12800S-11-11-B2

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Totos

Reputable
Oct 19, 2014
4
0
4,510


Thanks for the info! How much do you think I can sell them for?