SiPh 400G QSFP-DD FR4 1310nm 2km Optical Transceiver

GIGALIGHT’s 400G QSFP-DD FR4 silicon optical module is a hot-swappable optical transceiver module manufactured based on silicon photonics integration technology. It is designed for use in data center 400GBASE-FR4 Ethernet links, utilizing 100G PAM4 and 4-way single-mode parallel technology, supporting a maximum transmission distance of 2km.


  • Utilizes hot-pluggable QSFP-DD packaging 4-channel full-duplex integrated module
  • Speeds of up to 425Gbps Compliant with QSFP-DD MSA, CMIS, and 400G Ethernet standards
  • Electrical interface adopts 8×53.125Gbps (53.125GBd PAM4)
  • Optical interface adopts 4×106.25Gbps (53.125GBd PAM4)
  • Transmission distance reaches up to 2km via single-mode optical fibers (FEC enabled)
  • Duplex LC optical interface
  • Built-in digital diagnostic functions
  • Maximum power consumption <11W
  • Commercial-grade operating temperature range from 0 to 70 degrees Celsius
  • Power supply voltage 3.3V
  • Compliant with RoHS environmental standards (lead-free)
P/N Description
GQD-SI401FR4C SiPh 400G QSFP-DD FR4 1310nm 2km Optical Transceiver Module

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