Part Number: 6C-QSFP-DD-LR4

Data Rate: 400G

Wavelength (nm): 1270~1310

Source: EML+PIN

Tx Power (dBm): -1.4~4.5

Rx Sens (dBm): -7.7~4.5

Temperature: 0°C – 70°C

Media Type: SMF

Connector: LC

DDM: with

Reach: 10km

Certificate: CE, RoHS, FCC

Brand: 6COM


  • 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 10km
  • 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 proposal and on QSFP-DD baseline specification


  • 400Gb Ethernet interconnect
  • Switch to switch connectivity
  • High performance computing