GLOBALfiber QDD-400G-SR8 is a 400G QSFP-DD SR8 optical transceiver for short multimode data centre connections. It supports up to 70 m on OM3 or 100 m on OM4 and OM5 fiber, using eight optical lanes through an MPO-16/APC interface.
Available coding and compatibility
Available coding: Arista, Cisco, Fortinet, Generic, Juniper, NVIDIA(ETH). 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-SR8 |
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| Form factor | QSFP-DD |
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| Capacity | 400G |
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| Applications | 400GBASE-SR8 Ethernet; data centre links |
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| Power dissipation | 12 W maximum |
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| Reach and fiber | Up to 70 m on OM3; 100 m on OM4 or OM5 multimode fiber |
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| Nominal wavelength | 850 nm |
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| Optical connectors | MPO-16/APC, male alignment pins |
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Installation requirements
Use a mating MPO-16/APC connector with the correct pin configuration and fiber polarity. Check host cooling, port support and FEC settings before installation.