New 10 GbE USB adapters are cooler, smaller, cheaper

https://www.jeffgeerling.com/blog/2026/new-10-gbe-usb-adapters-cooler-smaller-cheaper/

49•calcifer•1h ago

Comments

userbinator•1h ago

The PCIe version: https://news.ycombinator.com/item?id=46423967

GeertJohan•42m ago

A Framework expansion card was also announced this week. https://frame.work/nl/en/products/wisdpi-10g-ethernet-expans...

topspin•33m ago

That link notes:

"Card supports 10Gbit/s and 10/100/1000/2500/5000/10000Mbit/s Ethernet"

Nice to see; some NICs are shedding 10/100 support. Apparently, it's not necessary to do this, even in a low cost device.

userbinator•22m ago

Low-cost devices are exactly where 10/100 is still widely used. On PCs, it's a common power-saving mode.

sva_•35m ago

It seems like a lot of laptop manufacturers skipped the USB 3.2 Gen2x2 in favor of USB4/TB4.

TMWNN•22m ago

Conversely, the last time I checked a couple of weeks ago, it was impossible to find any USB4 external SSDs on Amazon; only USB 3.2.

user34283•27m ago

I have a RTL8157 5 Gbps adapter from CableMatters.

Interestingly it seems to get burning hot on the MacBook M1 Pro while it remains cool on the M5 Pro model.

Maybe the workload is different, but I would not rule out some sort of hardware or driver difference. I only use a 1G port on my router at the moment.

deepsun•20m ago

Is it also possible to power a laptop through those adapters? PoE++ can deliver up to 100W of power, more than enough for most laptops.

eqvinox•8m ago

Theoretically yes, practically that hasn't been built yet. I've only seen it for 1000base-T, and only for 802.3bt Type 3 (51W).

If anyone's aware of something better, I'd be interested too :)

eqvinox•6m ago

Too bad this is 10Gbase-T, that energy-wasting hot-running garbage needs to die sooner rather than later. Good thing the ranges for 25Gbase-T are short enough to make it impractical for home use.

(Fibre is nowhere near as "sensitive" as some people believe.)

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