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    MCX312A-XCBT or X520-DA2 in PCIe v2 x8 slot?

    I think I already know, but I could use clarification regarding bandwidth requirements for these cards. The main board slot is physically PCIe 2.0 x16. The max link speed for this slot is x8. The two cards being considered for this slot: 1) Mellanox MCX312A-XCBT Specifications PCI Express...
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    Connecting 10gb - choosing cable and modules question

    My question is regarding connecting a few ConnectX-3 devices (SFP+). For my home lab, I am looking to upgrade the connections on 3 systems, all linux. They are already connected at 1gb ethernet and I would like to get them all to 5gb or 10gb if possible. I mention 5gb first because I am not...