this post was submitted on 13 Aug 2024
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Are all FRU for a particular Lenovo Marketing part number compatible/identical? (lemmy.ml)
submitted 3 months ago* (last edited 3 months ago) by archer@lemmy.ml to c/selfhosted@lemmy.world
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I'm asking here since I assume a lot of you guys are running homelabs on Lenovo hardware.

I have two M720q Tiny that came with one 8 GB 2400MHz SoDIMM RAM each (see picture). I upgraded one to 2x 32 GB RAM and want to reuse the sticks in the other one for 16 GB in total and dual channel use. They have different FRU numbers (see picture) but I assume it's the same marketing part number and I guess my plan works?

Can anyone confirm? I'm just unsure about dual channel since it's not exactly the same RAM and I'm used to using exact pairs.

Thanks!

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[–] catloaf@lemm.ee 8 points 3 months ago

That's not strictly true. A board and CPU may not support all speeds, or mixed ranks. ECC and registered RAM would also fit but not necessarily work. There's also low-power RAM that may not be compatible. Just because it fits, it doesn't mean it'll work.

In OP's case, it's likely to be supported because it's probably not ECC, registered, and consumer boards usually support the most common speeds. I don't know how compatibility on low-power RAM goes.