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400G QSFP-DD

400G QSFP-DD LR4 1310nm 10km

Rate400GReach10kmWavelength1310InterfaceLC
Fiberland part number
FLD-QDD-400G-LR4
Unit price340.00USD / 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-LR4Vendor 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-references9 manufacturer part numbersAcross 6 brands
Showing 8 of 9 verified matches

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Original part numberBrandFiberland part numberProduct description
QDD-400G-LR4-SCISCOFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-LR4ARISTAFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-LR4-10JUNIPERFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
740-096176JUNIPERFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
SO-QSFP-DD-4C-LR4-4SMARTOPTICSFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
SO-QSFP-DD-4C-LR4SMARTOPTICSFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFPDD-400G-LR4-WDM1300-DCH3CFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 1310 nm band, 10 km over duplex single-mode fiber, LC, with digital diagnostics.
FTCD4323E3PCLCOHERENT / FINISARFLD-QDD-400G-LR4400GBASE-LR4-10 QSFP-DD transceiver, CWDM 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

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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.

Is FEC important when using high-speed compatible transceivers?

Yes. Forward Error Correction is an important consideration for many 25G, 50G, 100G, 200G, 400G, and 800G interfaces. Both ends of the link must use compatible FEC and interface settings.

Do both ends of an optical link need the same OEM compatibility?

No. Each transceiver generally needs to be compatible with the equipment in which it is installed. For example, one end may be coded for one switch brand and the other end for another.

Will DOM values appear correctly on third-party transceivers?

With a properly compatible module and supported host platform, DOM/DDM values should normally be accessible through the network equipment's management interface.

Will compatible transceivers work after a switch firmware upgrade?

They often do, but firmware changes can modify transceiver validation behavior. Compatibility should therefore be verified when deploying modules on newly updated network operating systems.

Does the OEM part number need to match exactly?

The exact OEM reference is useful for identifying compatibility, but the optical specifications and host-platform requirements must also match the intended application.

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