Cisco QSFP-4X10G-AOC7M= 40GBASE QSFP to 4SFP 7m | Breakout Cable — QSFP-4X10G-AOC7M=

Turn one 40 GbE port into four 10 GbE links with an active optical breakout cable designed for high-density network builds. The 7 m reach gives you enough flexibility for rack-to-rack and within-rack fanout while keeping cable paths orderly and predictable. This cable is a strong fit when you need to connect a QSFP uplink on a switch or adapter to four SFP-based endpoints without adding separate optics on every leg. Active optical construction helps maintain signal quality over the breakout span and avoids the stiffness and congestion that can come with copper alternatives. In practical terms, that means easier dressing, better airflow, and fewer compromises in crowded cabinets. For teams balancing port utilization, migration planning, and rack cleanliness, this breakout cable offers a direct path from 40 GbE infrastructure to 10 GbE access layers. It is especially useful in environments where a single high-speed port must serve multiple lower-speed devices without introducing unnecessary complexity. Ideal For Break a 40 GbE switch uplink into four 10 GbE access connections Connect a QSFP port to multiple SFP-based devices in a rack Support migration from 10 GbE access to 40 GbE aggregation Clean up cabling in dense data center cabinets with limited routing space Why This Product 1 Breaks one 40 GbE port into four 10 GbE connections 2 Active optical design supports cleaner routing than copper breakout options 3 7 m reach fits rack-to-rack and within-rack deployments 4 QSFP to 4SFP fanout helps maximize port utilization