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400G QSFP-DD

400G QSFP-DD FR4 Fiber Optic Transceiver Module 1310nm 2km LC SMF DDM | FLD-QDD-400G-FR4 | Fiberland

400G QSFP-DD FR4 1310nm 2km

Rate400GReach2kmWavelength1310InterfaceLC
Fiberland part number
FLD-QDD-400G-FR4
Unit price290.00USD / 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-FR4Vendor NameFIBERLAND
Data Rate400GWavelength1310
Reach2kmForm 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-references10 manufacturer part numbersAcross 7 brands
Showing 8 of 10 verified matches

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Original part numberBrandFiberland part numberProduct description
QDD-400G-FR4-SCISCOFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-FR4ARISTAFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
QDD-400G-FR4JUNIPERFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
740-085349JUNIPERFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
SO-QSFP-DD-4C-FR4-4SMARTOPTICSFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
QSFPDD-400G-FR4-WDM1300H3CFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
R8M64AHPFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 km over duplex single-mode fiber, LC, with digital diagnostics.
FTCD4313E3PCLCOHERENT / FINISARFLD-QDD-400G-FR4400GBASE-FR4 QSFP-DD transceiver, CWDM 1310 nm band, 2 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.

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.

Are compatible transceivers suitable for telecom networks?

Compatible modules can be used in telecom and service-provider environments when they meet the required optical specifications, environmental requirements, protocols, and host compatibility.

Will a compatible transceiver be recognized by my switch?

A correctly coded compatible transceiver should be recognized by the supported switch or router platform. Compatibility can depend on the device model, operating system, firmware version, and port configuration.

What switch information should I provide when requesting a compatible transceiver?

Providing the switch or router brand, exact model, port speed, operating-system version, and required OEM transceiver part number helps identify the correct compatibility profile.

What information should I provide when requesting technical support for a compatible transceiver?

Provide the transceiver part number, corresponding OEM part number, switch or router brand and exact model, operating system or firmware version, port number and speed, error messages, DDM/DOM readings, and information about the transceiver and equipment at the opposite end of the link.

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