100 Mbps is enough for 15-20 HD video calls using modern codecs. Gigabit is great for backups, but for ordinary use 100 Mbit is fine. If you're getting lag and

100 Mbps is enough for 15-20 HD video calls using modern codecs. Gigabit is great for backups, but for ordinary use 100 Mbit is fine. If you're getting lag and dropouts with a wired connection, the problem is most likely bufferbloat.