Cisco QDD-400G-DR4-S | 400G | QSFP-DD | DR4 | 1310 nm | 500 m | MPO-12 AI this cost-effective solution provides enterprise-grade

this cost-effective solution provides enterprise-grade performance without licensing requirements

wire‑speed connectivity with zero setup and basic QoS for consistent performance

With 16GB onboard eMMC storage and support for 5W/10W power modes

Short-reach 100G QSFP28 Active Optical Cable ideal for in-rack spine/leaf interconnects where minimal latency and clean cabling are required

and functional safety capabilities managed by a Safety Cluster Engine

Cisco QDD-400G-DR4-S | 400G | QSFP-DD | DR4 | 1310 nm | 500 m | MPO-12 AI this cost-effective solution provides enterprise-grade400G DR4 QSFP DD optical transceiver for up to 500 m over single mode fiber using 1310 nm parallel optics and MPO 12 connectivity. Designed for high density data center fabrics with straightforward 4 lane deployment and standards based interoperability.