The product is a lot of four Finisar FCBN425QE2C15 100Gb/s QSFP28 AOCs, each with a length of 15m. These high-speed cables feature 24 pin connectors and SFP network ports, providing a maximum data rate of 100 Gbps. Ideal for use in enterprise networking environments, these modules offer reliable and efficient data transmission for servers and networking equipment. With the reputable Finisar brand backing them, these AOCs are a dependable solution for ensuring fast and seamless connectivity in a variety of networking setups.