400G QSFP56-DD ACC (7m)

GIGALIGHT’s 400G QSFP56-DD ACC active direct attach copper cable is designed for intra-rack or inter-rack interconnects in data centers. It complies with ETC 400GBASE-CR8 Ethernet transmission protocol, while also being compatible with InfiniBand HDR transmission protocol. This series of products utilizes 16 pairs of coaxial cables to transmit 8x 50G PAM4 signals, with a maximum reach of 7m.


  • Utilizes QSFP-DD hot-pluggable module and coaxial cable assembly
  • 8-channel 50G PAM4 modulation
  • Maximum per-channel data rate of 53.125Gbps
  • Complies with QSFP-DD MSA, CMIS, and ETC 400GBASE-CR8 Ethernet transmission protocols
  • Compatible with InfiniBand HDR transmission protocol
  • Customizable cable length up to 7m
  • Bit Error Rate (BER) better than 1E-15
  • Near-zero power consumption
  • I2C management interface
  • Power supply voltage of 3.3V
  • LSZH (Low Smoke Zero Halogen) cable jacket material
  • LF (Lead-Free) HF (Halogen-Free) PCB
  • Complies with RoHS environmental standards (Lead-Free)

Additional information

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