Immersible 400G

GIGALIGHT’s 400G QSFP-DD/OSFP liquid cooling optical module is designed for use in submerged data center 400GBASE-SR8 Ethernet links. It adopts 50G PAM4 and VCSEL technologies and, with the FEC enabled in the system, it can achieve 40Gbps data interconnection within 100 meters over 8 pairs of multimode fibers.


  • Utilizes hot-pluggable QSFP-DD/OSFP form factor
  • 8-channel full-duplex transceiver module
  • Speeds up to 425Gbps
  • Compliant with QSFP-DD MSA/OSFP MSA and 400GBASE-SR8 Ethernet standards
  • 8-channel 50Gb/s PAM4 850nm VCSEL transmitter and PIN receiver
  • Built-in DSP chips in both receive and transmit channels
  • Supports transmission distances of up to 100m over multi-mode optical fiber with FEC enabled
  • MPO pigtail
  • Commercial operating temperature range from 0°C to 60°C
  • Power supply voltage: 3.3V
  • Compliant with RoHS environmental standards (lead-free)
Description Data Rate Distance Pigtail Type
Immersible 400G QSFP-DD SR8 4250Gbps 100m MPO16
Immersible 400G OSFP SR8 4250Gbps 100m MPO16

Additional information

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