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I am building a NAS (running TrueNAS/FreeNAS) using a SuperMicro A2SDi-8C+-HLN4F motherboard. I ordered 2 sticks of this Samsung C-Die RAM from a supplier but they could only send me 1 as it was the last they had in stock. I ordered the same RAM from another supplier but instead received this Samsung B-Die RAM. I found out this was not a mistake as the C-Die is EOL and the B-Die is its replacement.

While it's not ideal to have two unmatched sticks of RAM in dual-channel mode, the specs according to the datasheets are 99% identical. Do I have anything to be worried about?

Iceape
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    to be honestly i never thought about such as detail, i belive it happens more often as every spoken about, since i also can use different vendors with same size i think it doesnt make sense to think about, but good question anyways- – djdomi Aug 17 '21 at 13:45

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These sticks are identical enough that you can freely mix and match them in a server and they should correctly go multi-channel. All of the relevant specs are identical between them.

Virtually everything you will find about the differences will be on Internet forums about overclocking, where it is generally agreed that B-die chips overclock higher and more stably than C-die chips. It's unlikely that you will be doing any overclocking.

Michael Hampton
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  • Thank you, that's good to hear. Yeah, I will definitely not be doing any overclocking on the system. Not even sure if this BIOS allows it. Thanks for the input! – Iceape Aug 18 '21 at 06:13