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10g-base-T is a sick joke

high latency, high error rates, and terrifying heat output from SFPs (which the author noted for himself)

the only cat6 left in my home network is the link to verizon's ont, because in their infinite wisdom the ONLY connectivity offered was 10g-base-t

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10GBase-T can still be nice if you're going to do native PoE (which the author did not) or you expect a mix of devices with 1/2.5/5 which you don't want to or can't upgrade/replace immediately (which is where it sounds like the author was situated).

The new 10GBASE-T SFPs are actually not too bad - you can get the full 100 meters at half the wattage it takes for the old space heater generation ones to reach 30 meters. Based on the article, the author did not know there were newer cooler options for the ~the same price.

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