400Gb/s QSFP-DD (50G-PAM4 Modulation) Ethernet Only
400Gb/s cables and transceivers are used for linking Spectrum-4 SN5400 and Spectrum-3 SN4000 series Ethernet switches with ConnectX-6/7 network adapters and BlueField-2/3 DPUs. The product line consists of DAC cables reaching up to 2.5m, active optical cables from 3m to 100m, multimode optics up to 100m, and single-mode optics up to 500m, 2km, and 10km. Switches use quad small form factor double density (QSFP-DD) connectors, while ConnectX-6 and BlueField-2 use QSFP56 and QSFP28 connectors.