400G QSFP-DD FR4 Transceiver


  • 400Gbps hot pluggable transceiver in QSFP-DD form factor
  • Optical connectivity based on two Singlemode Fiber (SMF) LC connectors
  • Optical engine use 4 uncooled 100 Gbps CWDM EML’s
  • The optical signals are modulated using a 4-level pulse amplitude modulation (PAM4) format
  • Optical Reach: up to 2km
  • Built in digital diagnostics – Transmitter
    Power Monitoring (TPM) and Receive Signal Strength Indicator (RSSI)
  • RoHS-6 compliant
  • Operating case temperature range of 0°C to 70°C
  • Based on 100G Single Lambda MSA specification for
    400G FR4 and on QSFP-DD baseline specification

Key Features

  • Supports up to 400Gb/s data rate links
  • Typical power dissipation: 10W (Gen1), 7W (Gen2)
  • Single 3.3V power supply


  • 400G Ethernet links

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Full Product Specification:

Reliability Report: