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400G QSFP-DD

400G QSFP-DD LR8 Fiber Optic Transceiver Module 1310nm 10km LC SMF DDM | FLD-QDD-400G-LR8 | Fiberland

400G QSFP-DD LR8 1310nm 10km

Rate400GReach10kmWavelength1310InterfaceLC
Fiberland part number
FLD-QDD-400G-LR8
Unit price550.00USD / piece
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At a glance

Key Specifications

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Form TypeQSFP-DD

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Model data

Technical Specifications

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14 specifications shown
Fiberland Part NumberFLD-QDD-400G-LR8Vendor NameFIBERLAND
Data Rate400GWavelength1310
Reach10kmForm TypeQSFP-DD
Optical InterfaceLCDDM SupportYES
Commercial Temp.0~70℃Industrial Temp.-
Compatible BrandsCisco,Huawei,Nvidia...200+ brandsComplianceCE,FCC,ROHS,REACH
Warranty3 YearsModeSM
Compatible model reference

Product Compatibility Mapping

Cross-reference the original manufacturer part number with the corresponding Fiberland part number before confirming the target device and firmware.

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Verified cross-references6 manufacturer part numbersAcross 5 brands
Showing 6 of 6 verified matches

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Original part numberBrandFiberland part numberProduct description
QDD-400G-LR8-SCISCOFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-LR8ARISTAFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-LR8JUNIPERFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
740-082823JUNIPERFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFPDD-400G-LR8-WDM1300H3CFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
FTCD1323E1PCLCOHERENT / FINISARFLD-QDD-400G-LR8400GBASE-LR8 QSFP-DD transceiver, eight LAN-WDM lanes in the 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.

A part-number cross-reference is a model-selection starting point, not a blanket device guarantee. Final fit depends on the exact device, firmware or OS, target port and requested coding profile.

Link and application reference

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Application planning

Optical Transceiver Application and Link Map

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Optical transceiver application diagram covering data center, DCI, campus, server and metro networks
Testing and quality reference

Review the Quality-Control and Test Flow

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Testing and quality

Quality Control and Test Flow

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Quality control flow covering material, firmware, optical, temperature, compatibility and final QA checks
Product FAQ

Frequently Asked Questions

Answers to common compatibility, installation and troubleshooting questions.

Can third-party transceivers damage a switch?

A properly designed transceiver that meets the required electrical, mechanical, thermal, and interface specifications should operate within the host platform's intended transceiver interface requirements.

Why does replacing an OEM transceiver with a compatible transceiver result in no link?

First verify that the compatible replacement matches the OEM module's form factor, data rate, wavelength, reach, fiber type, connector, and interface standard. Then confirm that it has the correct compatibility coding for the host platform.

Are compatible transceivers suitable for data centers?

Yes. Compatible optical modules are widely used for server, switch, storage, and data-center interconnect applications when the correct interface and compatibility requirements are met.

How can I tell whether the problem is compatibility-related or an optical-link problem?

Check whether the host correctly identifies the transceiver first. If the module is rejected, incorrectly identified, or generates vendor-related warnings, investigate compatibility. If it is correctly recognized but the link remains down, investigate fiber, optical power, wavelength, FEC, polarity, and the remote endpoint.

Are compatible transceivers suitable for enterprise networks?

Yes. They can be used in enterprise switching, routing, storage, campus networks, and other applications when properly matched to the network equipment and link requirements.

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