GLOBALfiber QDD-400G-DR4 is a 400G QSFP-DD DR4 optical transceiver for single-mode data centre links up to 500 m. Four parallel PAM4 optical lanes connect equipment through an MPO-12 fiber interface, with eight electrical lanes on the host side.
Available coding and compatibility
Available coding: Arista, Cisco, Extreme, Fortinet, Generic, Juniper, NVIDIA(ETH), SuperMicro. Provide the equipment model, port configuration and software version so support can be checked. Available coding does not confirm compatibility with every model or operating mode. For other coding requirements, contact salg@globalfiber.no.
Key specifications
| Specification | Details |
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| Product number | QDD-400G-DR4 |
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| Form factor | QSFP-DD |
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| Capacity | 400G |
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| Applications | 400GBASE-DR4 Ethernet |
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| Reach and fiber | Up to 500 m over single-mode fiber |
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| Nominal wavelength | 1310 nm nominal; 1311 nm typical |
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| Optical connectors | MPO-12 |
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Installation requirements
Host FEC is required for the specified reach. Check the host port configuration, cooling and fiber polarity before installation.