100G QSFP28 ZR4 80km Optical Transceiver – APX-QSFP28-100G-80km-ZR4
Product Overview
The Apex APX-QSFP28-100G-80km-ZR4 is a 100G QSFP28 ZR4 optical transceiver engineered for high-density data center and telecom networks. It transmits up to 80km over single-mode fiber (SMF), delivering dependable 100G connectivity for modern AI and cloud infrastructure.
Built in a QSFP28 form factor with an LC Duplex optical interface, the APX-QSFP28-100G-80km-ZR4 aggregates 4 x 25G NRZ electrical lanes into a single hot-pluggable module. 1310nm EML transmitters with a semiconductor optical amplifier extend the reach to 80km over single-mode fiber. It is compatible with major networking platforms and supports plug-and-play deployment in existing racks.
Engineered for 100G switching and transport fabrics, this transceiver delivers consistent optical performance with low power consumption and full digital diagnostics for scalable, serviceable network infrastructure.
Key Features
- 100G high-speed optical transmission
- QSFP28 pluggable form factor
- Up to 80km transmission distance
- ZR4 optical technology
- 1310nm EML+SOA wavelength operation
- 4 x 25G NRZ electrical lanes
- Digital Diagnostic Monitoring (DDM/DOM) supported
- Compatible with major networking platforms
Technical Specifications
| Specification | Detail |
|---|
| Part Number | APX-QSFP28-100G-80km-ZR4 |
| Manufacturer | Apex |
| Data Rate | 100G |
| Form Factor | QSFP28 |
| Optical Technology | ZR4 |
| Maximum Reach | 80km |
| Wavelength | 1310nm |
| Fiber Type | Single Mode Fiber (SMF) |
| Connector Type | LC Duplex |
| DDM / DOM | Supported |
| Compliance | QSFP28 MSA, RoHS |
Applications
🌆 Metro and Campus Backbone
Connects metro sites, campus buildings and aggregation points over single-mode fiber spans up to 80km.
☁️ AI and Cloud Infrastructure
Supports the bandwidth demands of AI training clusters and cloud platforms across distributed sites.
📦 High-Density Rack Deployment
The hot-pluggable form factor and low power consumption enable high port density in service provider racks.
Compatibility
Apex optical transceivers are engineered for interoperability with major networking equipment platforms, including Cisco, Juniper, Arista, Huawei, HPE, Dell and other industry-leading systems. Each module is coded for the target switch platform before shipment.
Frequently Asked Questions
What is the Apex APX-QSFP28-100G-80km-ZR4?
The Apex APX-QSFP28-100G-80km-ZR4 is a 100G QSFP28 optical transceiver with ZR4 optics, supporting transmission distances up to 80km.
What applications use 100G QSFP28 optical modules?
These modules are commonly deployed in 🌆 Metro and Campus Backbone, ☁️ AI and Cloud Infrastructure, 📦 High-Density Rack Deployment.
Is the module compatible with third-party switches?
Yes. Apex optical modules support OEM-compatible coding and are tested for interoperability with widely used networking platforms.
What warranty does Apex provide?
Apex provides a 3-year warranty on all optical transceivers. Each module undergoes strict optical performance, compatibility, and reliability testing before shipment.
Why Choose Apex
- In-house engineering support and flexible manufacturing capacity from 1.25G to 800G.
- Every module is tested for optical performance, interoperability and reliability before shipment.
- Standards-based MSA design with digital diagnostics for plug-and-play deployment.
- Backed by a 3-year warranty and responsive technical support.
