Mellanox MMS4X00-NM Compatible TAA 800GBase-DR8 PAM4 OSFP Transceiver (SMF, 1310nm, 500m, 2xMPO, DOM, CMIS 5.0)

Designed to meet the demands of modern data centers, the Mellanox MMS4X00-NM compatible 800GBase-DR8 PAM4 OSFP transceiver delivers exceptional performance, reliability, and manageability for enterprises, hyperscalers, and service providers. This TAA-compliant module is built to integrate seamlessly with CMIS 5.0 management ecosystems, enabling straightforward plug-and-play deployment in networks that require ultra-high bandwidth and scalable optics. With an emphasis on single-mode fiber (SMF) at 1310 nm and a reach of up to 500 meters, this transceiver is optimized for intra- and inter-rack connectivity as well as short-to-medium distance data-center interconnects. Operators benefit from reduced total cost of ownership through strong interoperability, robust thermal design, and real-time monitoring capabilities provided by Digital Optical Monitoring (DOM). Whether upgrading an existing 800G fabric or designing a new, future-ready spine-leaf topology, this OSFP transceiver is engineered to maximize throughput while maintaining signal integrity across demanding workloads such as AI training, high-frequency trading, and big-data analytics. The combination of PAM4 modulation and the DR8 8-lane architecture translates to substantial bandwidth density in a compact form factor, enabling data centers to scale capacity without compromising power efficiency or port density. The MSPs and data-center operators who choose this module are prioritizing performance-per-watt, low latency, and a modular approach to network growth that keeps pace with evolving traffic patterns and application requirements. In short, the MMS4X00-NM is a future-proof optical solution designed to support dense, high-performance compute environments with dependable, interoperable 800G connectivity.

• High-density 800GBase-DR8 PAM4 through OSFP form factor: This transceiver leverages PAM4 modulation to deliver up to 800 Gbps of aggregate throughput across eight lanes, enabling scalable uplinks for modern switch fabrics. The OSFP package is optimized for high port-density deployments, reducing rack space and simplifying cabling in dense data-center racks. With CMIS 5.0 compatibility, network admins gain streamlined device discovery, monitoring, and management across heterogeneous environments. The PAM4 approach provides a favorable balance between spectral efficiency and signal-to-noise tolerance, making it well-suited for data-intensive workloads such as large-scale AI inference, virtualization, and real-time analytics. By supporting DR8, this module is capable of aligning with next-generation switch planes that require ultra-high total bandwidth while maintaining robust error performance in active networks.
• SMF 1310 nm, 500 m reach for flexible topology: The transceiver operates over standard single-mode fiber at 1310 nm, delivering reliable long-distance connectivity within data centers and between facilities. A 500-meter reach accommodates mid-haul deployments, colocation, and campus networks, reducing the need for additional regeneration or fiber upgrades. The 1310 nm window is known for its favorable dispersion characteristics, supporting clean, high-signal integrity across moderate distances. This makes the MMS4X00-NM a versatile choice for spine-to-edge connections, inter-rack links, and future-proofed middle-mile architectures that demand consistent performance under varying temperatures and load conditions. In environments with existing SMF infrastructure, this module minimizes fiber rewiring and promotes a smoother migration path to 800G capabilities.
• CMIS 5.0 compatibility and Digital Optical Monitoring (DOM): As a CMIS 5.0-compliant transceiver, it integrates with a wide range of common management interfaces, enabling consistent software-driven control, inventory tracking, and performance analytics. DOM delivers real-time, per-laser and per-path health metrics, including optical power, laser temperature, voltage, bias current, and diagnostic counters. This visibility is critical for proactive maintenance, rapid fault isolation, and optimizing link budgets. Operators can leverage these operational metrics to enforce service-level objectives (SLOs) and to fine-tune network configurations for peak throughput and reliability. CMIS 5.0 compatibility also simplifies procurement and maintenance workflows by ensuring interoperability with multiple vendors' network equipment and management platforms.
• 2x MPO connectors for rapid, high-bandwidth interfacing: The dual MPO interface supports high-density fiber deployment and parallel optics, enabling straightforward cross-connects and rapid link establishment in 800G fabrics. The 2x MPO configuration is designed to align with common data-center switching architectures that require multiple fiber paths for redundancy, load-balancing, or aggregated data streams. The robust mechanical design minimizes insertion loss and offers secure latching to withstand the rigors of data-center environments. This arrangement helps simplify patch-panel planning and reduces the complexity of fiber routing in dense racks, while preserving optimal optical performance at 1310 nm and within the 500 m reach specification.
• TAA-compliance and data-center reliability: This transceiver is built to meet Trade Agreements Act (TAA) requirements, which is essential for government-related deployments and procurement programs. Beyond compliance, the module is manufactured with high-grade components designed for consistent, long-term operation in demanding data-center ecosystems. Its reliability is enhanced by careful thermal management, rigorous quality assurance, and compatibility with CMIS-driven management workflows, enabling IT teams to deploy with confidence in both performance and interoperability. The result is a scalable, future-ready optical solution that integrates smoothly with existing 800G ecosystems and supports strategic roadmaps toward higher-density, higher-bandwidth networks.

Techncial Details of Mellanox MMS4X00-NM Compatible TAA 800GBase-DR8 PAM4 OSFP Transceiver (SMF, 1310nm, 500m, 2xMPO, DOM, CMIS 5.0)

• Get this information from the "specifications" section of the product from https://ec.synnex.com/ using product "UPC" or "SKU" as reference

How to install Mellanox MMS4X00-NM Compatible TAA 800GBase-DR8 PAM4 OSFP Transceiver (SMF, 1310nm, 500m, 2xMPO, DOM, CMIS 5.0)

• Power down the host system and any connected networking devices before handling the transceiver. Use proper ESD protection and handle the module by the edges to avoid contact with optical components. Remove any existing module from the OSFP slot only after disconnecting all fiber cords and power sources.
• Inspect the OSFP slot and ensure the slot aligns with the module's keying orientation. Align the transceiver with the slot so that the connector interface mates cleanly without bending fibers or applying lateral force. Gently slide the module into the slot until it is seated and the latching mechanism engages with a click.
• Verify the DOM indicators on the module and confirm the module is recognized by the host switch or server. CMIS 5.0-compatible devices should automatically enumerate the new transceiver; if needed, perform a discovery refresh in the management software to ensure full visibility of optical parameters and health metrics.
• Connect the SMF fiber to the transceiver using the appropriate MPO-to-fiber guidance. Ensure that fiber polish, cleanliness, and connector compatibility are maintained to minimize insertion loss. Route fibers carefully to avoid tension, twist, or bending beyond the recommended bend radius; label fibers for easy future maintenance.
• Power up the equipment and run basic link tests to confirm initial connectivity. Use management software to verify optical power levels, laser temperatures, and DOM counters. Perform light-load and, if possible, short-duration throughput tests to ensure the 800GBase-DR8 link stabilizes with acceptable bit-error rate (BER) and low latency.
• Document the installation for asset management and future maintenance. Maintain records of serial numbers, location in the data center, firmware version compatibility, and the CMIS/DOM readings so you can monitor performance and plan capacity growth.

Frequently asked questions

• What is 800GBase-DR8 PAM4? 800GBase-DR8 PAM4 refers to an 800 gigabit-per-second data rate achieved by eight PAM4 (four-level) optical lanes. This approach increases total bandwidth without requiring a proportionate increase in the number of fibers, enabling high-density, high-performance interconnects in data centers. It’s designed for short- to medium-range links with favorable power and density characteristics suitable for 800G network fabrics.
• What does DOM provide for this transceiver? DOM (Digital Optical Monitoring) supplies real-time telemetry such as optical power, laser temperature, voltage, current, and diagnostic counters. This data enables proactive maintenance, quicker fault isolation, and dynamic bandwidth management. With DOM, administrators can monitor link health at a glance and alert operators to budding issues before they impact service levels.
• Is this transceiver CMIS 5.0 compliant? Yes. CMIS 5.0 compatibility ensures interoperability with a wide range of network devices and management systems. It simplifies inventory management, firmware updates, and remote monitoring across mixed vendor environments, helping data centers maintain consistent operating procedures and faster deployment cycles.
• What kind of fiber and distance is supported? This transceiver operates over single-mode fiber (SMF) with a 1310 nm wavelength and supports up to 500 meters. This makes it suitable for intra-data-center, campus, or short-haul interconnects where fiber is already deployed, while providing ample margin for future growth in bandwidth demand.
• How do I know if this transceiver is right for my network? If your data-center topology requires ultra-high bandwidth, high-density connectors, and CMIS 5.0 manageability, this 800G DR8 PAM4 OSFP transceiver offers a compelling combination of throughput, management visibility, and interoperability. Confirm compatibility with your switch fabric and confirm that your link budget supports 800G DR8 in the OSFP form-factor. For best results, verify CMIS management integration, DOM visibility, and the availability of 2x MPO fiber paths for your specific deployment scenario.