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> Biggest install cost is labour.

Okay? If I had to run cabling through a wall, I'd make sure the guy sets it up so that I can use the cable he installs to pull new later. My time's free when I'm doing something that I don't mind doing, and I don't mind easy cable pulls.

> ...(200Gbps+)...

Don't you need 16x PCIe 4.0 for those guys? With everything other than workstation and server boards having exactly one 16x slot, you're "never" hooking that up to a gaming PC.



MMF cable is quite a bit more expensive than SMF. The cost savings used to be in optics, but that distinction has fallen away.

Everyone needs a hobby, so if you want to replace the cable later on nobody’s going to stop you.

There was a time when we couldn’t buy a PC that could saturate 1Gbps ethernet, and that time wasn’t that long ago. Your cabling plant will outlive any hardware you buy today.


> The cost savings used to be in optics, but that distinction has fallen away.

So, it has... and fairly recently, too. If only I'd decided to do my home buildout six years later than I did!

It makes me wonder if transceiver longevity or reliability have been compromised, but I suppose that's only a thing you find out after a decade or so.


You can get boards with pci-e 5.0 x8/x8, which might bottleneck your gpu enough to see on benchmarks, but wouldn't bottleneck your nic, if you have a pci-e 5 nic (which might actually be a 400Gbs nic, whoops)

Anyway, priorities. Nic in the cpu slot, gpu in the chipset slot :p




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