Question Registered Ram Sets of 3?

chico1st

Distinguished
Oct 17, 2009
132
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18,685
I have a question about server ram.
My friend (in IT) gave me some old DDR3 Server ram from his company he no longer needs. I'm selling it because I can't use it.
He gave me 2 sets of 6 sticks and people online want to buy it in sets of 3.

Does that make any sense? Desktops are used in pairs. Is registered Ram different?

It's PC3-10600R 2Rx4 if it makes a difference (image)

I tried to google this and got nothing, either im using the wrong words (I don't know much about registered ram) or it's just a nonesense query.

Many thanks!