Along with advancements in transceiver and signaling technology, the latest fiber cables and connectors support increasing transmission speeds. There are now several options for 400 Gb/s applications. Driven by hyperscale cloud data centers, ongoing developments in 800 Gb/s, 1.6 Tb/s, and future 3.2 Tb/s are leading to additional advancements in optical fiber technologies and the need for high-performance connectivity.