40W for a 10GbE NIC sounds crazy, my internet router has a dual 10 GbE Intel NIC... | Hacker News

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		kalleboo 9 months ago \| parent \| context \| favorite \| on: Building my own solar power system 40W for a 10GbE NIC sounds crazy, my internet router has a dual 10 GbE Intel NIC with one 10GBaseT SFP+ and one 10G DAC and the whole router only draws 24 W (Lenovo ThinkCentre Tiny) My whole “rack” draws about 120W total with: aforementioned router, Synology NAS with 4 drives, 2x10G+4x2.5G PoE switch powering a Ubiquiti AP, 16-port 1G switch, and a PowerBook 540c running AppleTalk routing

sponaugle 9 months ago | [–]

I'm running 100G CWDM4s in my homelab, and those only take about 4w each for the optics, so I suspect with the PCIe card it is less than 10w.

jmb99 9 months ago | [–]

Late response I know, but copper 10GbE nics pull lots of power, especially the old X540 ones.

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