The GIGALIGHT 400G QSFP-DD pluggable direct attach copper cable assemblies support 400G Ethernet and InfiniBand HDR data rates.


  • Hot-pluggable QSFP-DD direct attach copper cable assemblies
  • 8x 50G PAM4 electrical interface
  • Data rate up to 53.125Gbps per channel
  • Compliant with QSFP-DD MSA, CMIS and IEEE 802.3
  • Low power dissipation
  • Commercial case operating temperature range
  • Single 3.3V power supply
  • Built-in digital diagnostic functionality
  • RoHS compliant (lead free)

Additional information


Data Rate

Form Factor

Product Type



Ordering Information

PCC Series

Description Data Rate Distance P/N
400G QSFP56-DD PCC 425Gbps 2m(30AWG)/3m(26AWG) GQD-PC401-xxC
400G QSFP56-DD to 2x 200G QSFP56 PCC 425Gbps 2m(30AWG)/3m(26AWG) GQD-2Q56P401-xxC
400G QSFP56-DD to 4x 100G QSFP56 PCC 425Gbps 2m(30AWG)/3m(26AWG) GQD-4Q56P401-xxC
400G QSFP56-DD to 8x 50G SFP56 PCC 425Gbps 2m(30AWG)/3m(26AWG) GQD-8S56P401-xxC

ACC Series

Description Data Rate Distance P/N
400G QSFP-DD ACC 425Gbps 7m(26-30AWG) GQD-AC401-xxC

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