For the time spent finding the ethernet adapter, plugging the cable, configuring IP addresses, and testing with pings, any decent portable SSD drives should have finished copying tens of GB of data.
> Removable storage is quite slow unless you are willing to spend a lot of money.
An SSD good enough to copy tens of GB quickly is not cheap.
But also I'd feel weird if I didn't have at least one good flash drive somewhere, so anyone like me would already have it.
I'm going to ignore the part where the USB port described in the article sounds broken. A 100% functioning cable, especially a short one for a drive, is not hard to find.