Cisco QSFP-H40G-AOC3M | 40G | QSFP+ | 40GBASE-SR4 AOC | 850nm | 3m | QSFP+↔QSFP+ SITC enabling short-reach data center uplinks

enabling short-reach data center uplinks and spine-leaf interconnects over OM4 fiber with MPO‑12 APC connectivity up to 50 m

and RoCEv2-based storage fabrics

It enables seamless integration with Cisco DNA Center for centralized management and automation

PCIe Gen4 x8 host interface ensures ample bandwidth for modern workloads

engineering simulation

Cisco QSFP-H40G-AOC3M | 40G | QSFP+ | 40GBASE-SR4 AOC | 850nm | 3m | QSFP+↔QSFP+ SITC enabling short-reach data center uplinksShort reach 40G QSFP+ Active Optical Cable for intra rack or adjacent rack links up to 3 meters. Integrated QSFP+ optics emulate 40GBASE SR4, enabling plug and play 40GbE IB connections without separate transceivers. Ideal for switch to server or switch to switch connections needing low latency and clean cable management.