DACs (direct attach copper cables) and AOCs (active optical cables), with their inherent advantage of enhanced signal integrity and superior flexibility, have become the preferred, cost-effective interconnect for high-speed links at 10G, 25G, 40G and 100G for about all applications in hyperscale and enterprises, and is likely to be used for 200G and 400G as well. 400G DAC and 400G AOC are witnessing tremendous growth in the data interconnect market, and there is no doubt that sales will keep surging in the years to come.