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What's the point of 10G nics? (alien.top)

submitted 11 months ago by MMonkeyMania@alien.top to c/homenetworking@selfhosted.forum

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Does 10G nics for home servers actually do anything? I have a gigabit router and the motherboard on my server is 2.5G. Wouldn't the 10G be throttled once it hits the 1G router and then only send out that speed to all other devices? Would I actually be getting better speeds than what I pay for also?

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[–] ElevenNotes@alien.top 3 points 11 months ago

The point of a 10G NIC is to be 10x faster than a 1G NIC. Most 10G NIC’s only work at 1G and 10G, they do not do the new 2.5G or 5G, for that you need a newer 10G NIC that will use these lower speeds which in terms makes no sense because you can just get a 2.5G or 5G NIC instead. You confuse your internet connection with your local network. Your local network can run at 10G while your internet runs perfectly fine at 1G, the other way around the same. If you have a 10G internet connection you need a 10G local network to actually make use of that 10G internet connection. If you have a 1G internet connection, the only reason to have a 10G local network, is because you have lots of data that you regularly move around, and you think 125MB/s is too slow. Other than that, there is no need for 10G in any home network.