With an Ethernet Roku connection, you'll generally enjoy faster loading times and a more stable online experience.
That said, remember that DP cables do not support Ethernet and cannot be used to connect devices to the Internet. Read more: ...
If you're trying to find a way to set up a new device with your TV, or share media in some other way besides casting, you've probably come across the term HDMI cable in your search. You've also ...