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Realtek's $10 tiny 10GbE network adapter is coming to motherboards later this year
(www.tomshardware.com)
this post was submitted on 23 May 2025
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It's impressive that they got the power consumption down to less than 2 watts. I think this is the first 10GBASE-T NIC I've seen that doesn't have a heatsink on it.
And they did it on Cat5e! I have a Cat5e “trunk” that I really don’t want to try to restring, but it’s a choke point that I’d like to upgrade from 1Ge. If only someone will build SOHO switches with it
Cat 5e has 8 wires just like any later standard. There's nothing stopping you from trying a faster speed on it.
As soon as switches get affordable enough, I do plan to try.
But my data center is an assortment of Raspberry Pi and similar. I’m not going to buy some used enterprise switch with a roaring fan and huge electrical consumption to connect my quiet, efficient datacenter.
So far I only have two devices that can talk greater than 1G, it’s more the number of things that have to talk across that “trunk”
It is being pushed beyond its ratings, so there's no guarantees that it will work. There's no harm in trying Cat5e at higher speeds if it's already installed, but don't install it with the intention of using it at more than 2.5G.
Usually you'd be fine to use 5e for like 100ft 33m
1 or 2.5g sure, not 5 or 10.
Anecdotal, but I'm doing 10g over a 100ft 5e cable. It's not technically supported, but it does work on short runs.
I’m hoping for the best I can get right now. 1G is the choke point and rated speed, but I’ll take anything better if I don’t have to restring that cable.
My fastest current devices are 2.5gE, but I mostly want to loosen the choke point