Cisco QDD-400G-FR4-S Compatible 400GBASE-FR4 QSFP-DD PAM4 1310nm 2km DDM/DOM Duplex LC SMF Optical Transceiver Module NVIDIA Ethernet Switches (RoCE) NADDOD Arista compatible QDD-800G-2xDR4 optical

NADDOD Arista compatible QDD-800G-2xDR4 optical module is designed for 800G Ethernet optical interconnects based on PAM4 modulation

NADDOD Arista QDD-400G-ER4 Compatible 400G QSFP-DD ER4 is a 400Gb/s QSFP-DD optical transceiver module designed for long-haul transmission

and cost-effective 800G Ethernet operations

They enable higher port bandwidth

It supports splitting a single-port 1

Cisco QDD-400G-FR4-S Compatible 400GBASE-FR4 QSFP-DD PAM4 1310nm 2km DDM/DOM Duplex LC SMF Optical Transceiver Module NVIDIA Ethernet Switches (RoCE) NADDOD Arista compatible QDD-800G-2xDR4 opticalDescription NADDOD Cisco QDD 400G FR4 S Compatible QDD 400G FR4 optical transceiver features a duplex LC connector and supports transmission distances of up to 2 km over parallel single mode fiber. It converts eight 50 Gb s PAM4 electrical signals into four CWDM optical channels, multiplexed into a single 400 Gb s optical link. On the receiving side, the 400 Gb s optical signal is demultiplexed into four CWDM channels and converted back into eight 50