400GbE Multimode QSFP-DD (Quad Small Form Factor Pluggable Double Density)
Data rate(Gb/s): 425Gb/s (8 x 53.12Gbps);
Modulation format: PAM4
Optical connectivity via industry standard MPO/MTP terminated fiber ribbon
MPO-16 APC Optical Receptacle Type
Optical return loss tolerance (max): 12dB
Average receive power, each lane: -6.5~4dBm
DDM Support: Yes
Power Consumption: Operating case temperature: 0 to +70°C
Compliant to 400Gb QDD MSA and CMIS 4.0

The 400GBASE-SR8 module, MTP/MPO-16 connector, up to 100m over parallel OM4 multi-mode fiber. It is compliant to IEEE 802.3bs protocol and 400GAUI-8/CEI-56G-VSR-PAM4 standard. The 400 Gigabit Ethernet signal is carried over eight wavelengths. Multiplexing and demultiplexing of the eight wavelengths are managed within the device. And it can Support 2× 200G-SR4 and 8× 50G-SR.
Application: 400G Ethernet, Data Center Interconnect, Infiniband Interconnects, Enterprise Networking,Telecommunications ect.