QDD-400G-DR4-S-AO - AddOn - QSFP-DD transceiver module (equivalent to: Cisco QDD-400G-DR4-S)

400GbE - 400GBase-DR4 - MPO single-mode - up to 500 m - 1310 nm - TAA Compliant - for P/N: A99-10X400GE-X-TR=, NCS-57B1-5D24H-SE, NCS-57B1-6D24H-S, NCS-57B1-6D24-SYS