You have gigabit internet and your wired in PC is only getting 90 Mbps, so is that outdated Ethernet cable getting in the way? While running wired Ethernet connections avoids Wi Fi interference and can lower latency, plugging in a cable doesnt automatically mean youll get ultra fast speeds. Even if your internet service is speedy, a slow Ethernet connection can slow down file transfers between computers at home. Using an online speed test wont provide a definitive answer, as it measures more...