QSFP28 100Gb/s Transceiver

QSFP28 100Gb/s Transceiver is a high-density 100 Gigabit Ethernet optical transceiver solution designed for data centers, high-performance computing networks, enterprise core and distribution networks, and service provider applications.

Based on the QSFP28 form factor, the product family provides multiple transmission distances, optical technologies, wavelengths, connectors, and temperature options. Available models support short-distance multimode fiber links as well as long-distance single-mode fiber transmission up to 100 km.

The compact, hot-pluggable design helps increase network port density while providing flexible 100G connectivity for modern optical communication infrastructure.

Key Features

• 100Gb/s high-speed Ethernet connectivity

• QSFP28 compact and hot-pluggable form factor

• Multiple transmission distances from 100 m to 100 km

• LC and MPO connector options

• Multimode and single-mode fiber support

• VCSEL, DFB, CWDM4, LAN WDM and EML technologies

• Single 3.3V power supply

• I2C interface with Digital Diagnostic Monitoring

• QSFP28 MSA compliant

• RoHS compliant

• Class 1 FDA and IEC 60825-1 laser safety compliant

• IEEE 802.3bm compliant high-speed electrical interface

• Commercial, extended and industrial temperature options available

Product Specifications

Single-Mode Fiber Transceivers

For longer-distance network connections, the portfolio includes PSM4, CWDM4, LR4, ER4 and ZR4 solutions.

QSFP28-100G-PSM4 supports up to 2 km over single-mode fiber using 1310nm DFB technology and an MPO-12 interface.

QSFP28-100G-PLR4 provides up to 10 km transmission over single-mode fiber.

CWDM4 models provide flexible medium-range options:

• QSFP28-100G-CWDM4L: 500 m

• QSFP28-100G-CWDM4: 2 km

• QSFP28-100G-CLR4: 10 km

LR4 / ER4 / ZR4 Solutions

The long-reach series provides different transmission distances for single-mode fiber networks:

• QSFP28-100G-LR4L: 2 km

• QSFP28-100G-LR4: 10 km

• QSFP28-100G-eLR4: 20 km

• QSFP28-100G-ER4L: 30 km

• QSFP28-100G-ER4: 40 km

• QSFP28-100G-ZR4: 80 km

Additional models include QSFP28-100G-ZR4L for up to 100 km transmission.

These modules generally use LC connectors and wavelength ranges around 1295–1310 nm depending on the selected model.

Industrial Temperature Options

For applications requiring wider operating temperature capability, industrial-grade versions are available for selected models:

• QSFP28-100G-LR4-I

• QSFP28-100G-eLR4-I

• QSFP28-100G-ER4-I

• QSFP28-100G-ZR4-I

The exact operating temperature range should be confirmed according to the selected part number and application requirements.

Optical Performance

Representative optical specifications include:

Actual optical performance depends on the selected module and network link conditions.

Applications

The QSFP28 100Gb/s Transceiver family is suitable for:

• Data center networks

• High-performance computing

• Enterprise core networks

• Enterprise distribution networks

• Server-to-switch connections

• Data center interconnects

• Telecom and service provider networks

• 100G Ethernet infrastructure

• High-density optical networking

• Long-distance single-mode fiber links

100G QSFP28 to SFP25G Adapter

For specific interface conversion requirements, CVR-QSFP28-SFP25G is available as a 100G QSFP28 to SFP25G adapter module.

This option can help network operators connect compatible equipment using different optical interface configurations.

Selection Guide

When selecting a 100G QSFP28 transceiver, buyers should confirm:

• Required transmission distance

• Multimode or single-mode fiber

• OM4 fiber requirements

• LC or MPO connector

• Optical wavelength

• Network equipment compatibility

• Operating temperature

• Optical link budget

• Required breakout configuration

• NRZ or PAM4 requirements

SR4 and eSR4 are suitable for short-reach data center connections, while PSM4, CWDM4, LR4, ER4 and ZR4 models provide options for progressively longer single-mode fiber links.

B2B Advantages

For network equipment manufacturers, data center operators, telecom companies, system integrators and optical communication distributors, QSFP28 100Gb/s Transceiver provides a broad range of 100G optical connectivity options.

Main advantages include:

• High-speed 100Gb/s transmission

• Compact QSFP28 package

• High port density

• Multiple transmission distances

• LC and MPO interfaces

• Multimode and single-mode fiber options

• Multiple optical technologies

• Hot-pluggable design

• Digital diagnostic monitoring

• Extended and industrial temperature options

• Up to 100 km transmission solutions

• Flexible solutions for data center and telecom networks

Supplier Information

Infinol Technology (Shenzhen) Co., Ltd. provides optical transceiver solutions for data communication and networking applications. Its 100G QSFP28 product portfolio covers short-, medium-, and long-distance optical connectivity requirements.

For B2B buyers sourcing 100G optical modules, the product family provides multiple reach, fiber, connector, wavelength, and temperature configurations for different network architectures.

Product Summary

QSFP28 100Gb/s Transceiver is a high-density 100G optical connectivity solution for data centers, enterprise networks, HPC systems, and service provider infrastructure. The portfolio covers transmission distances from approximately 100 m to 100 km, with LC and MPO interfaces and multimode or single-mode fiber options.

From SR4 and eSR4 to PSM4, CWDM4, LR4, ER4 and ZR4 models, buyers can select the appropriate module according to distance, fiber type, connector, optical technology, and network equipment requirements. Infinol Technology (Shenzhen) Co., Ltd. supplies flexible 100G QSFP28 transceiver solutions for global B2B networking applications.