You are currently viewing Introduction to 100G QSFP28 ER4 Transceiver

Introduction to 100G QSFP28 ER4 Transceiver

The 100G QSFP28 ER4 transceiver supports connections up to 30 km over single-mode fiber without the FEC technology and it can reach up to 40km with the FEC technology. The 100G QSFP28 ER4 uses standard LC connectors and its wavelength is 1310nm.

100G QSFP28 ER4  Transceiver

Features of the 100G QSFP28 ER4 Transciever

  • Hot pluggable QSFP28 MSA form factor
  • Compliant to Ethernet 100GBASE-ER4 Lite
  • Supports 103.1Gb/s aggregate bit rate
  • Up to 30km reach for G.652 SMF without FEC
  • Up to 40km reach for G.652 SMF with FEC
  • Single +3.3V power supply
  • Operating case temperature: 0~70℃
  • Transmitter: cooled 4x25Gb/s LAN WDM EML TOSA (1295.56, 1300.05, 1304.58, 1309.14nm)
  • Receiver: 4x25Gb/s APD ROSA
  • 4x25G electrical interface (OIF CEI-28G-VSR)
  • Maximum power consumption 4.5W
  • Duplex LC receptacle  RoHS-6 compliant

Complete datasheet available here.

Applications of the 100G QSFP28 ER4 Transceiver

  • 100GBASE- ER4 Ethernet Links
  • Infiniband QDR and DDR interconnects
  • Client-side 100G Telecom connections


The 100G QSFP28 ER4 Transceiver is compatible with all major switches and servers brands on the market. Check all our compatibility matrix here.

To know more information about the 100G QSFP28 interconnect products click here.

About Optech

Optech is a leading company in developing and manufacturing Optical Transceivers and Cables solutions for Data Center and Telecom market. Since 2001, Optech has been offering accurate lead time and high quality products to customers.

Optech offers a broad range of networking and communication solutions in following categories: Optical Transceivers, SFP, 10G SFP+, 25G SFP28, 40G QSFP+, 100G QSFP28 , 400G QSFP-DD, Direct Attach Cables (DAC), Active Optical Cables (AOC), Ethernet Media Converter, Fiber Optical Patchcord, BWDM, CWDM, DWDM Mux/Demux and Repeater products.

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