Description This Cisco QSFP-4X10G-AOC20M compatible 20m breakout active optical cable provides a high-speed 40G link splitting into four 10G connections for long-reach data center interconnections. It utilizes integrated optical transceivers to deliver reliable throughput with lower power consumption and EMI susceptibility than traditional copper. This AOC is ideal for connecting switches and servers across a significant 66ft distance within a 40G facility.