400G QSFP-DD

400G QSFP-DD FR4 Transceiver QSFP-DD-400G-FR4

Name: 400G QSFP-DD FR4 Transceiver QSFP-DD-400G-FR4
Brand: Fibertrixa
SKU: QSFP-DD-400G-FR4
Availability: InStock

400GBASE-FR4 · CWDM4 · Single-mode (SMF) · Duplex LC · 2km

Compatible with major switch brands — share your equipment model to confirm coding before ordering. 3-year warranty included.

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Module overview

Hot-pluggable QSFP-DD MSA form factor
DDM digital diagnostics for TX/RX monitoring
3-year warranty · free technical support
Coding confirmed against your switch model

The 400GBASE-FR4 QSFP-DD transceiver delivers 400 Gbps over single-mode fiber (SMF) using CWDM4 with a duplex LC connector, up to 2 km. It is hot-pluggable, QSFP-DD MSA-compliant, and supports DDM digital diagnostics.

Typical deployments

400G QSFP-DD is the current spine and AI-fabric building block, packing eight lanes into a double-density QSFP slot. SR8 and DR4 use MPO multimode to 500 m; FR4 and LR4 use LC single-mode up to 10 km.

Before you order

This module uses CWDM4 wavelengths and must connect to a switch port that supports the same 400GBASE-FR4 lane plan. Confirm the port type and coding before ordering; 3-year warranty and free technical support included.

Specifications

Model / Part Number	QSFP-DD-400G-FR4
Ethernet Standard	400GBASE-FR4
Data Rate	400G
Wavelength	CWDM4
Fiber Type	Single-mode (SMF)
Connector	LC
Max Reach	2km
Form Factor	QSFP-DD
DDM support	Yes