TAY03288-labeled v3
TAY03260-labeled-revised TAY03258-revised TAY03288-labeled v3


The 400G QSFP-DD SR8 is a 400G QSFP-DD SR8 pluggable transceiver. Each channel operates with PAM4 modulation scheme at 26.5625G baud rate, and up to 100m using OM3 fiber.

  • QSFP-DD MSA compliant
  • Electrical interface compliant with 400GAUI-8 and CEI-56G-VSR-PAM4
  • Bi-directional operation: 8 x Tx, and 8 x Rx at 53.125Gb/s with 26.5625G PAM4 modulation scheme
  • Built in DSP
  • Enabled by 850nm VCSEL
  • Operating case temperature 0°C – 70°C
  • Hot pluggable
  • Power consumption 9.5W per end
  • Transmission distance up to 100m with OM3 fiber
  • Laser eye safety Class 1
  • CMIS management interface
  • 400Gb Ethernet interconnect
  • Switch to switch connectivity
  • High performance computing
  • Data Rate: 400G (8x50Gb/s)
  • Supply voltage: 3.3V
  • Power consumption: 9.5W (digital), 7W (analog)
  • Temp: 0°C – 70°C
  • Reach: 100m with OM3 fiber