LinkX direct-attach copper cables provide extremely low-cost 25G to 400GbE high-speed links inside the rack, up to 5 meters for 25G-NRZ and 3 meters for 50G PAM4-based cables. DACs offer near-zero latency and power consumption, making them ideal for switch-to-CPU, GPU, and storage subsystems. LinkX designs and manufactures a wide range of cable products that have undergone extensive testing.