Arista 400GBASE-XDR4 Compatible 400G QSFP-DD XDR4 PAM4 1310nm 2km FEC DOM MTP/MPO-12 SMF Optical Transceiver Module 800G/400G NDR it can be deployed either

it can be deployed either as a native 800G optical link or in a breakout configuration connecting to two 400G DR4 QSFP-DD modules

It is well suited for high-density data center and cloud network deployments

NADDOD O2O112-800G-AC5H is an 800Gb/s twin-port OSFP (Octal Small Form-factor Pluggable) Finned Top to 2x400Gb/s OSFP Flat Top Active Copper Cable (ACC) dual breakout (aka splitter) cable

and high-performance computing (HPC) interconnects

Arista 400GBASE-XDR4 Compatible 400G QSFP-DD XDR4 PAM4 1310nm 2km FEC DOM MTP/MPO-12 SMF Optical Transceiver Module 800G/400G NDR it can be deployed eitherDescription NADDOD Arista QDD 400G XDR4 Compatible 400G QSFP DD XDR4 optical transceiver supports 100G breakout links up to 2 km, with forward error correction (FEC) performed on the host platform. The 400G QSFP DD XDR4 (DR4+) module adopts a 1310 nm EML transmitter and PAM4 modulation, operating at a nominal wavelength of 1310 nm to deliver 400 Gb s optical transmission. The module is compliant with IEEE 802. 3cu specifications for 100GBASE FR1, as