WaveLink WaveLink

Optical Transceivers 25G/32G SFP28 Module Manufacturers & Exporter

Advanced High-Speed Connectivity Solutions for Next-Generation Data Centers, 5G Networks, and Enterprise Storage Architectures.

Industry White Paper: The Evolution of 25G/32G Optical Interfaces

As global data traffic continues to explode, driven by AI workloads, cloud computing, and the 5G rollout, the transition from 10G to 25G has become the cornerstone of modern network infrastructure. The 25G SFP28 (Small Form-factor Pluggable 28) module offers a significant leap in bandwidth while maintaining the same physical footprint as the 10G SFP+, providing a seamless upgrade path for telecom operators and data center managers.

Information Gain: Unlike 10G which uses 10.3Gbps lanes, 25G utilizes a single-lane 25Gbps SerDes (Serializer/Deserializer) architecture. This shift reduces the cost per bit and power consumption significantly compared to aggregating multiple 10G lanes. Furthermore, the 32G SFP28 variant is specifically engineered for Fibre Channel (FC) environments, supporting Gen 6 storage area networks (SAN) with unparalleled low-latency performance.

Technical Roadmap & Future Outlook

The roadmap for SFP28 is evolving towards higher spectral efficiency and integration. While 25G/32G is the current "sweet spot" for leaf-spine architectures in mid-sized data centers, we are seeing a shift toward:

01

Extended Reach (ER/ZR)

Development of 25G modules capable of 40km and 80km reaches using advanced PAM4 modulation or high-sensitivity APD receivers.

02

Co-Packaged Optics (CPO)

Integrating optical engines closer to the switch ASIC to reduce power dissipation by up to 30%.

03

Sustainability & Green Photonics

Reducing the carbon footprint through lower thermal output and RoHS-compliant manufacturing processes.

2016 Established
12,800㎡ Production Base
$18M+ Annual Export
1,200+ Supply Chain Partners

WaveLink Optoelectronics Co., Ltd. is a professional manufacturer specializing in high-performance optical transceivers and fiber optic connectivity solutions for telecom and data center applications. With over 12 years of industry expertise, we empower global networks with reliable, high-speed interconnects.

China Factory 4.0: Supply Chain Resilience & Precision

Our manufacturing philosophy is rooted in the "Factory 4.0" standard. WaveLink operates a strict quality management system, including 100% performance testing, optical signal integrity testing, and high-temperature aging tests. Our quality control team consists of 45 dedicated QC engineers ensuring product stability and compliance with international standards.

By leveraging 1,200+ upstream supply chain partners, we ensure a stable supply of EML/DFB lasers and high-speed TIA/CDR chips, even during global semiconductor shortages. This resilience allows us to offer shorter lead times and more competitive pricing than traditional Western vendors.

  • Automated Optical Testing (AOT): Eliminating human error in signal alignment.
  • Real-time Digital Calibration: Ensuring DDM (Digital Diagnostic Monitoring) accuracy across all temperatures.
  • OEM/ODM Customization: Protocol-specific design optimization for unique network environments.
WaveLink Factory

Global Macro Industry Solutions

5G Fronthaul & Backhaul

Our 25G BiDi (Bidirectional) SFP28 modules are critical for 5G Open RAN deployments, allowing carriers to double their fiber capacity by transmitting and receiving on a single strand of fiber.

Hyperscale Data Centers

Optimized for Leaf-Spine architectures, our 25G SR and LR modules provide the low-latency links required for East-West traffic in AI-driven data centers.

High-Frequency Trading (HFT)

Ultra-low latency 32G Fibre Channel transceivers designed for financial institutions where every microsecond counts in storage access.

Localization Support & Global Compliance

Expanding globally requires more than just high-quality hardware. We provide localization support for our partners in North America, Europe, and Southeast Asia, including TAA compliance guidance and localized technical FAE (Field Application Engineer) support.

Multi-Vendor Compatibility

We maintain a massive library of EEPROM codes to ensure 100% compatibility with Cisco, Arista, Juniper, Dell, and HPE equipment.

Regulatory Compliance

All modules are CE, FCC, RoHS, and REACH certified, meeting the strictest environmental and safety standards worldwide.

Global Logistics

Frequently Asked Questions (FAQ)

Can SFP28 modules be used in SFP+ ports?
SFP28 modules generally cannot run in SFP+ ports unless the port is designed to support 25G. However, most SFP28 ports are backward compatible with 10G SFP+ modules.
What is the difference between 25G SR and 25G ESR?
Standard 25G SR supports up to 100m over OM4 MMF. ESR (Extended Short Reach) or CSR (Custom Short Reach) can extend this to 300m or 400m using high-quality OM4 fiber.
Do your modules support DDM/DOM?
Yes, all WaveLink SFP28 transceivers include Digital Diagnostic Monitoring (DDM), allowing real-time monitoring of temperature, voltage, laser bias current, and optical power.
How does 32G SFP28 benefit storage networks?
32G SFP28 is designed for 32G Fibre Channel. It provides higher throughput for NVMe-over-Fabrics (NVMe-oF) applications, significantly reducing storage bottlenecks.
What is your lead time for bulk orders?
Thanks to our 1,200+ partner network, standard modules are usually in stock. Bulk OEM orders typically ship within 1-2 weeks.
All 25G/32G SFP28 Module Products