The NC8400-16CD Ethernet line card supports 16x 40/100G QSFP28 ports and 4x 400G QSFP-DD, offering line-rate forwarding from all ports. The QSFP28 ports are backward compatible with QSFP+ modules. Enabling it to meet the demand for growing high-bandwidth and service. This line card supports high availability and is ideal for different scenarios of data center networks.