SiPh 400G QSFP-DD DR4 1310nm 500m Optical Transceiver

GIGALIGHT 400G QSFP-DD DR4 silicon optical module is a hot-pluggable optical transceiver module manufactured based on silicon photonics integration technology, designed for 400GBASE-DR4 Ethernet links in data centers, using 100G PAM4 and 4-way single-mode parallel technology, supporting a maximum transmission distance of 500m or 2km.


  • Use hot-pluggable QSFP-DD package
  • 4-channel full-duplex transceiver integrated module
  • Rate up to 425Gbps
  • Compliant with QSFP-DD MSA and IEEE 802.3bs 400GBASE-DR4 Ethernet standards
  • Transmission distance up to 500m via single-mode optical fiber (FEC needs to be turned on)
  • MPO12/APC optical interface
  • Maximum power consumption<10W
  • Commercial grade operating temperature range from 0 to 70°C
  • Power supply voltage 3.3V
  • Comply with RoHS environmental protection standard (lead-free)
P/N Description
GDM-SI401-DR4C SiPh 400G QSFP-DD DR4  1310nm 500m Optical Transceiver Module

Data Sheet

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