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Slade

SFP+ Intel X520-DA2

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Can anyone tell me if you get full 10gbs speed when using both ports of a card between the two other connected devices using the same cards and 5m appropriate cables?

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What cards, what devices?

For a given 10G network card (or 16Gb FC, 40GbE, etc), the limiting factor is the 6GB/s bandwidth through the PCIe slot itself. I've been able to push 20Gbs through two ports combined on network cards before. The trick is making sure your network settings allow it.

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Or that you have the appropriate disks to get the data out the network fast enough, or the protocol used, etc... I'm usually content when I see around 600-700MB/s on a good day, usually a Wednesday after it rains.

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