This NIC is based on the Advent DM9601 chip and they all have the same MAC address (00:e0:4c:53:44:58). Not a big problem for most people, but you can't use two of these on the same network because your router won't know which is which. Otherwise great for the price, I use it with a Raspberry PI Zero and it works great without modifications and is automatically recognized and configured by the Raspberry OS. Later edited, after a few more days of use, I see that it runs at USB 1.1 (12MB) speed, making the device much less attractive even for a Raspberry Pi Zero. I can't return the purchase which is ridiculous and I'm in the process of getting a replacement for another brand.
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