The speed of a fiber optic cable is influenced by several factors: fiber type (single-mode vs., 1310 nm or 1550 nm), modulation techniques (e., transceivers and switches). But many consumers still wonder — why is one fiber connection faster than another? And what role does the design, construction, and raw materials of fiber cable. With maximum fiber optic cable speed reaching 100 Gbps commercially and laboratory achievements exceeding 1. They're faster than older copper lines, and they carry more data over longer distances.