Immersible 200G QSFP56 SR4 VCSEL 850nm 100m Optical Modules

GIGALIGHT’s 200G QSFP56 SR4 immersible cooling optical module is designed for immersion-based data center 200GBASE-SR4 Ethernet links. It employs 50G PAM4 and VCSEL technology, and with FEC enabled, it can achieve 212.5Gbps data interconnection over 4 pairs of multimode fibers within a distance of up to 100 meters.


  • Utilizes hot-pluggable QSFP56 form factor
  • 4-channel full-duplex transceiver module
  • Speeds up to 212.5Gbps
  • Complies with QSFP56 MSA and IEEE 802.3cd 200GBASE-SR4 Ethernet standards
  • 4-channel 53Gb/s PAM4 850nm VCSEL transmitters and PIN receivers
  • Integrated DSP chips in both receiver and transmitter channels
  • Maximum distance of up to 100m over multimode fiber with FEC enabled
  • Power consumption below 4.5W
  • MPO pigtail connector
  • Commercial-grade operating temperature range from 0 to 70 degrees Celsius
  • Power supply voltage of 3.3V
  • Compliant with RoHS environmental standards (lead-free)

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