Wow those SR SFP prices have fallen. Every SFP adds about 1W, but 10Gb-T ports are particularly thirsty, they were 5W when first introduced, still in that ball

Wow those SR SFP prices have fallen. Every SFP adds about 1W, but 10Gb-T ports are particularly thirsty, they were 5W when first introduced, still in that ballpark. It all adds up. Another reason to prefer fiber/DA is 10Gb-T has shit latency, it has a modem doing QAM, hence the power consumption. Probably only relevant for HPC or HFT, but just inelegant.