High-Speed Interconnect

800G OSFP 2xDR4 Optical Transceiver

For buyers evaluating twin-port optical interconnects, SkyTrade coordinates sourcing around the switch, adapter and cabling arrangement. The 800G label must be read together with the individual link speeds and host configuration.

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Key specifications and scope

Reference scope for RFQ preparation
FieldDocumented reference arrangement
Form factorOSFP
Aggregate class800G, with two 400G links in the reference implementation
FiberSingle-mode fiber
Connector arrangementTwo MPO interfaces; exact connector finish and mapping require part-level confirmation
Reference reachUp to 500 m for the cited twin-port example

These values describe a documented twin-port implementation, not every product sold under the 2xDR4 name. They do not establish compatibility for a substitute module.

Configuration options to discuss

Supply a port-to-port connection plan showing whether the host will use two independent links or another supported port mode. Identify the mechanical/thermal module variant requested by the host documentation. Ethernet and InfiniBand requirements must be reviewed separately.

Applications

  • AI cluster switch and adapter interconnection.
  • High-performance data center networks using documented twin-port optical arrangements.

Sourcing and configuration considerations

  • Compare the bandwidth of each link, not only the aggregate module designation.
  • Include the far-end transceiver or cable assembly in the same RFQ.
  • Request model-specific confirmation for the connector arrangement, physical fit and host firmware.

Why source through SkyTrade

SkyTrade helps align the module, cable and endpoint requirements before requesting China-side sourcing options, reducing ambiguity across quotations for similarly named products.

Frequently asked questions

Does 800G 2xDR4 necessarily provide one 800G InfiniBand link?

No. The cited twin-port NDR example carries two 400G links. Confirm how your selected host exposes and operates its ports.

Can I replace an existing module by matching the name?

Provide its exact part number and host details first. Family naming is not sufficient to establish an interchangeable replacement.

Technical references: NVIDIA twin-port module reference. References explain the technology or platform; they do not imply a SkyTrade authorization or supplier relationship.

What to include in your RFQ

  • Switch and NIC / adapter models
  • Protocol and bandwidth per link
  • Connector, fiber and required reach
  • Required physical module variant
  • BOM, quantity and destination country

Continue to our existing enquiry form. You can edit the product context before submitting. Send drawings or a BOM separately by email as described in the form.

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