The 400G QSFP-DD LR8 optical transceiver module is designed to support 400G Ethernet for data center links up to 10 km on single-mode fiber with FEC. It complies with the IEEE 802.3bs 400GBASE-LR8. The module supports eight electrical interface lanes that operate in 50G PAM4 encoding mode, enabling 400G (8x50G) data rates.
