This is a high-quality Cisco QSFP-H40G-AOC2M Compatible 40G QSFP+ AOC (Active Optical Cable). A cost-effective solution that provides high bandwidth and transmission rates over short distances. QSFP+ Active Optical Cable (AOC) is a high performance, low power consumption integrated cable ideal for short-range multi-lane data communication and interconnect applications, supporting 40G Ethernet. Each AOC active fiber optic cable is 100% optically inspected and tested for compatability before shipping.