Past 224G/lane, copper reaches only one meter, and China's lack of high-end DSPs has turned NPO from a "stopgap" into a durable form that will coexist with CPO. Eleven talks, hundreds of hard numbers, and the dissenting views from H3C and Marvell, all pointing at the 2027 volume window.

At OFC 2026, Amphenol showed its vision for AI data center interconnect: the XPO module packs 8x the density of OSFP with built-in liquid cooling, challenging CPO's lead as the industry moves from 224G to 448G.