CPO · Co-Packaged Optics
Optics integrated into the switch or accelerator package to beat copper-reach limits at the cost of serviceability.
Bringing optical engines into the chip package to push high-speed links further than copper allows.
Also written as: Co-Packaged Optics
Current numbers
102.4 Tb/s; partner systems shown at OCP 2026, no Broadcom availability dateDavisson 102.4T CPO: partner systems at OCP 2026; Micas plans to start production in Q1 2027
5x per 1.6T portNVIDIA’s claimed power cut per 1.6T CPO port vs pluggables; Broadcom’s Davisson claim is a separate ≈70% lower optical-interconnect power
~0.5%TrendForce forecast (Mar 2026) of CPO’s share of AI-data-center optical-transceiver modules in 2026