QSFP-100G-SWDM4 100G QSFP28 SWDM4 850-940nm 100m DOM Optical Transceiver Module
The 100G QSFP28 SWDM4 optical transceiver module is designed for high-speed 100 Gigabit Ethernet connectivity over multimode fiber (MMF) networks. Utilizing advanced Shortwave Wavelength Division Multiplexing (SWDM4) technology with operating wavelengths ranging from 850nm to 940nm, this optical module enables stable 100Gbps transmission up to 100 meters over OM4 multimode fiber infrastructure.
Compared with traditional parallel optical solutions, the QSFP28 SWDM4 transceiver significantly improves fiber utilization efficiency by transmitting multiple optical wavelengths through duplex LC multimode fiber. This helps data centers and enterprise networks reduce cabling complexity and infrastructure costs while supporting high-density 100G network deployments.
The module complies with QSFP28 MSA and IEEE Ethernet standards and is fully compatible with mainstream networking equipment from Cisco, Huawei, Juniper, Arista, Mellanox, H3C, and other major brands. Featuring low power consumption, hot-pluggable capability, and Digital Optical Monitoring (DOM/DDM) support, the 100G SWDM4 optical module provides reliable and cost-effective optical interconnect solutions for modern cloud computing and AI networking environments.
Figure 1 shows the front panel of QSFP-100G-SWDM4.


| Parameter | Specification |
|---|---|
| Form Factor | QSFP28 |
| Data Rate | 100Gbps |
| Optical Technology | SWDM4 |
| Wavelength | 850nm - 940nm |
| Transmission Distance | 100m |
| Fiber Type | OM3 / OM4 Multimode Fiber |
| Connector | Duplex LC |
| DOM/DDM Support | Yes |
| Power Consumption | ≤ 3.5W |
| Operating Temperature | 0°C to 70°C |
| Compliance | QSFP28 MSA / IEEE Standards |
| Compatibility | Cisco / Huawei / Juniper / Arista |
- Supports 100G Ethernet transmission
- Advanced SWDM4 wavelength multiplexing technology
- Up to 100m transmission over OM4 multimode fiber
- Duplex LC optical interface
- Low power consumption and excellent thermal performance
- Real-time DOM/DDM monitoring support
- Hot-pluggable QSFP28 form factor
- High compatibility with mainstream switches and routers
- Reduced cabling complexity for high-density deployments
- Reliable performance for cloud and enterprise networks
The 100G QSFP28 SWDM4 optical transceiver is widely used in:
- Cloud data centers
- Enterprise backbone networks
- AI computing clusters
- High-performance computing (HPC)
- Data center interconnection
- 100G Ethernet switching environments
- Storage area networks (SAN)
- Hyper-scale server infrastructure
| Feature | QSFP28 SWDM4 | QSFP28 SR4 |
|---|---|---|
| Fiber Type | Duplex LC MMF | MPO MMF |
| Transmission Distance | 100m OM4 | 100m OM4 |
| Cabling Complexity | Lower | Higher |
| Fiber Utilization | More Efficient | Less Efficient |
| Connector Type | Duplex LC | MPO/MTP |
| Deployment Cost | Lower Long-Term Cost | Higher Fiber Requirement |
| Best Application | High-Density Data Centers | Traditional Parallel Optics |
- 100% compatibility testing before shipment
- Stable inventory and fast delivery
- Professional technical support team
- OEM & ODM customization available
- Competitive pricing for distributors
- Strict quality control procedures
- Worldwide shipping support
- Warranty service for all optical transceivers
A QSFP28 SWDM4 optical transceiver is a 100G multimode optical module that uses shortwave wavelength division multiplexing technology to transmit four optical wavelengths over duplex LC multimode fiber.
The module supports transmission distances up to 100 meters over OM4 multimode fiber and shorter distances over OM3 fiber.
SWDM4 modules use duplex LC connectors and wavelength multiplexing technology, while SR4 modules use MPO connectors and parallel fiber transmission architecture.
Yes. The QSFP28 SWDM4 optical transceiver is compatible with Cisco, Huawei, Juniper, Arista, Mellanox, and many mainstream networking platforms.
Yes. The module supports Digital Optical Monitoring for real-time monitoring of temperature, voltage, optical power, and operational status.
SWDM4 modules are ideal for cloud computing, enterprise networking, AI infrastructure, high-density data centers, and high-performance computing environments.
As data center traffic continues growing rapidly due to AI computing, virtualization, cloud storage, and big data applications, enterprises require optical interconnect solutions that deliver higher bandwidth while minimizing infrastructure complexity and operational costs.
Traditional MPO-based parallel optics increase cabling density and fiber management difficulty. SWDM4 technology solves these challenges by enabling 100G transmission through duplex LC multimode fiber, allowing organizations to reuse existing fiber infrastructure and reduce migration costs.
The 100G QSFP28 SWDM4 optical module offers excellent scalability, simplified deployment, lower fiber consumption, and efficient thermal performance, making it one of the preferred solutions for next-generation data center upgrades.


Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.