The 400G QSFP-DD to 4x 100G QSFP28 breakout active optical cables are designed for use in 400 Gigabit Ethernet links over OM3 multimode fibers. Thin and lightweight AOC cables simplify cable management, enabling an efficient system airflow, which is critical in high-density racks. It is used extensively in cloud and supercomputers due to its low cost, high-value proposition, and increased reliability.
Note: The FS P/N is changed from QDD-4Q28AOxx to QDD-400G-4Q4xNAOxxx, but the product is the same. Only the FS P/N has been changed.