Arista - QSFP-DD transceiver module - 400 Gigabit LAN

Arista's OSFP and QSFP-DD 400ZR optical transceivers are Digital Coherent Optical (DCO) modules fully compliant with the OIF-400ZR industry standard. 400ZR modules enable 400Gb/s of Ethernet bandwidth over a single optical wavelength, using coherent DP-16QAM (Dual-Polarization 16 Quadrature Amplitude Modulation), at 59.84375 Gbaud/s. Arista's 400ZR transceivers offer full digital optical monitoring (DOM) and are fully tunable over the C-band (at 75GHz or 100GHz ITU-T grid spacing).