Cisco QDD-400G-DR4-S | 400G | QSFP-DD | DR4 | 1310 nm | 500 m | MPO-12 AI With 16GB onboard eMMC storage

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

while app‑guided setup makes site expansion quick and simple

and enterprise workloads

48-port Gigabit smart switch with full PoE+ across all access ports and four 10G SFP+ uplinks for high-speed aggregation

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

Cisco QDD-400G-DR4-S | 400G | QSFP-DD | DR4 | 1310 nm | 500 m | MPO-12 AI With 16GB onboard eMMC storage400G 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.