Mellanox QSP28 DAC cables compatible with older QSFP speeds?

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BackupProphet

BackupProphet

Well-Known Member
Jul 2, 2014
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Stavanger, Norway
olavgg.com
I am planning to get some new cables for a 40G setup. And see that on Ebay I can find QSP28 cables for 100G for about the same price as ordinary QSFP+ cables. I guess that the improved QSP28 DAC cables would work, but could anyone confirm that?
 
R

RageBone

Active Member
Jul 11, 2017
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159
43
i think so, yes. At least i have tested a 20m mellanox cable with my CX3 cards and can't remember issues. Your mileage may vary.
 
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