I have a 550 Mbps fiber connection to my house. From the main router in the main house, I test a full 550 up and 550 down on every laptop I connect to it. This cable is only 100 feet (33.3m) long and should have no problem maintaining that connection speed over that distance. I don't have any EM access points that would interfere with the cable, nothing. I ran a standard 110 foot home cable to test the connection and get a full 550/550, so what?!?! I don't think this cable is properly shielded or that the cable isn't all copper like they claim. They even accidentally sent me a second cable and it was damaged on the ends! I didn't ask her or Revane for a second. I returned the one I bought and another damaged one that was accidentally sent to me because there's no reason to leave a bad cable!