Friday, February 21, 2020

Mellanox compatibility - 100G LR transceiver in NICs?

Hey guys,

bit confused and cannot find the info I need, plus did not get much response from Mellanox until now. We're planning on getting a couple of systems with Mellanox ConnectX-5 dual port 100G adapters (CX516A-CCAT I guess). Because we want to avoid using MPO cabling we were going to settle for LR transceivers "in-datacenter". Not ideal but we've done it before without any issues. However our channel supplier said, the Mellanox LR 100G transceivers (MMA1L10-CR) are actually not compatible for the NICS, only for switches.

Anyone got any insight on this?

I know that LR transceivers in NICs directly are not the most common scenario, but with 10G/Intel that was not an issue ...

Thanks!



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