1.6T OSFP 2FR4 MMS4A50-XM for NVIDIA QM3400 — High-Performance Optical Connectivity by Optech
As AI clusters and high-performance computing (HPC) infrastructures rapidly scale toward 800G and 1.6T architectures, the demand for next-generation optical interconnects continues to grow. Optech Technology Co., Ltd. has introduced its latest innovation — 1.6T OSFP 2FR4 MMS4A50-XM, a high-density optical transceiver designed to support ultra-high bandwidth data center environments.
After validation testing and real-world deployment, the MMS4A50-XM has demonstrated full compatibility with the latest QM3400 systems from NVIDIA, making it an ideal solution for next-generation AI fabrics and hyperscale network upgrades.
Overview of 1.6T OSFP 2FR4 MMS4A50-XM
The 1.6T OSFP 2FR4 module is engineered using advanced PAM4 modulation technology and parallel single-mode fiber transmission to deliver ultra-high throughput with excellent signal integrity and power efficiency.
Key Specifications
- Form Factor: OSFP (Octal Small Form-factor Pluggable)
- Data Rate: 1.6Tbps aggregate bandwidth
- Optical Interface: 2FR4 (2 × 800G lanes over SMF)
- Transmission Distance: Up to 2 km
- Modulation: PAM4
- Connector: Dual MPO-12/APC
- Power Consumption: Optimized for high-density deployments
- Compliance: IEEE standards and industry MSA requirements
- Tested Compatibility: NVIDIA QM3400 platforms
Advantages of Optech 1.6T OSFP 2FR4 MMS4A50-XM
1. Ultra-High Bandwidth for AI and HPC
The 1.6T capacity supports massive east-west traffic generated by AI training clusters, GPU fabrics, and distributed computing environments. This enables:
- Faster model training
- Reduced network congestion
- Improved cluster efficiency
2. Proven Compatibility with NVIDIA QM3400
Interoperability testing confirms seamless operation with QM3400 systems, reducing integration risks for network operators and OEM customers. Benefits include:
- Plug-and-play deployment
- Stable link performance
- Simplified qualification cycles
3. Optimized Power Efficiency
Power consumption is a critical factor in hyperscale data centers. The MMS4A50-XM incorporates advanced DSP and optical engine design to:
- Lower watts per bit
- Reduce cooling requirements
- Improve total cost of ownership (TCO)
4. High Port Density and Scalability
The OSFP form factor enables high faceplate density, supporting large-scale AI clusters and spine-leaf architectures without increasing rack footprint.
5. Reliable Long-Reach Connectivity
With transmission up to 2 km over single-mode fiber, the module supports:
- Data center interconnect (DCI)
- Campus-scale networks
- Distributed GPU clusters
Application Benefits
AI Infrastructure and GPU Clusters
AI workloads require deterministic low-latency communication between accelerators. The 1.6T OSFP solution provides:
- High throughput GPU interconnect
- Scalable AI fabric expansion
- Reduced training time
Hyperscale Data Centers
Cloud providers and hyperscalers benefit from:
- Future-proof 1.6T architecture readiness
- Higher network efficiency
- Lower operational costs
High-Performance Computing (HPC)
Scientific computing environments demand reliable, high-bandwidth interconnects to support parallel workloads and real-time data processing.
Next-Generation Spine-Leaf Networks
The MMS4A50-XM enables next-generation switch fabrics with:
- Higher switching capacity
- Reduced hop latency
- Improved network resiliency
Why Choose Optech
Optech is recognized for advanced optical engineering, strict quality control, and strong compatibility validation across major networking platforms. Their Taiwan-based manufacturing and R&D expertise ensure:
- Enterprise-grade reliability
- Competitive lead times
- Custom OEM/ODM support
- Global technical service
Conclusion
The Optech 1.6T OSFP 2FR4 MMS4A50-XM represents a major step forward in optical interconnect technology, delivering the bandwidth, efficiency, and compatibility required for modern AI and hyperscale networking environments. With verified performance on NVIDIA QM3400 systems, it provides a reliable pathway for organizations upgrading to 1.6T infrastructure.
About Optech
Optech Technology Co. Ltd was founded in 2001 in Taipei, Taiwan. The company was created with a sole purpose, to provide a wide and high quality portfolio of optical products to a very demanding and fast evolving market.
To respond to the permanent increase of IP traffic, Optech portfolio is constantly growing. Since the beginning, the company has always been up to date with the latest innovations on the market. Today, we are proud to deliver a large selection of 25G SFP28, 40G QSFP+, 100G QSFP28, 200G QSFP56, 400G QSFP-DD, 800G QSFP-DD/ OSFP and 1.6T OSFP optical transceivers and cables.
Optech has a large portfolio of products which include optical transceivers, direct attach cables, active optical cables, loopback transceivers, media converters and fiber patch cords.
Through its large selection of optical products, that have a range of data speed from 155 Mbps to 800 Gbps and reach distances up to 120km, Optech products are suitable for various industries such as telecom, data centers as well as public and private networks.
Ordering Information
| Part Number | Optech Part Number | Features | Note |
| 1.6T OSFP 2FR4 | OPNR-S02-13-CB2 | 1.6T OSFP FR8 single mode mode, Dual Duplex LC, 1310nm, 2km | Compatible with Nvidia MMS4A50‑XM |
For additional information about Optech 1.6T OSFP 2FR4 (MMS4A50‑XM), or price inquiry, please contact us at sales@optech.com.tw

