Mellanox Infiniband backward compatible ?

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TedB

Active Member
Dec 2, 2016
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Hi,

I have numerous old servers using Mellanox ConnectX-2 (MHQH19B-XTR) cards and would like to purchase a used Mellanox SX6015 switch which has only 18 ports but that is fine for my test lab.

However I wonder if the SX6015 switch which is FDR 56Gb/s will be compatible with my older technology cards which are only QDR 40Gb/s ?

I have no previous experience with infiniband switch and don't know if they are backward compatible. All help wil be greatly appreciated.