Hi, I have a MacBook Pro with Thunderbolt to Gigabits Ethernet adapter. I also have a headless single board computer with Gigabits Ethernet port. I want to connect the two and use my Mac to access the single board computer on the same desk (about 190cm) or in the same bedroom. Which brand and product do you recommend? Is it better to get Cat 8 cable? Will the length of the cable affect the speed and reliability?