Mellanox MMA1L10-CR QSFP28 Module

Elevate your data center, cloud, and high-performance computing fabric with the Mellanox MMA1L10-CR QSFP28 Module. This 4-channel optical transceiver is purpose-built for 100 Gigabit Ethernet (100GbE) interconnects, delivering reliable, high-bandwidth links over single-mode fiber with up to 10 kilometers of reach. Designed by Mellanox, now part of NVIDIA, this QSFP28 module is optimized for modern data centers that demand scalable, low-latency connectivity across racks, clusters, and storage networks. The MMA1L10-CR blends industry-leading compatibility with robust performance, making it a versatile choice for a wide range of deployments—from tightly coupled HPC clusters to distributed enterprise networks. Whether you’re upgrading an existing fabric or deploying a new 100G backbone, this transceiver provides a dependable bridge between switches, NICs, uplinks, and storage nodes while maintaining a lean footprint in dense server racks.

• 4-channel QSFP28 optical transceiver designed to deliver 100 Gbps of aggregate bandwidth across four 25 Gbps lanes, enabling scalable, lane-based data transfer for high-speed networks.
• Up to 10 km reach on single-mode fiber to connect distant data center devices, interconnecting campuses, or creating robust backbones for large-scale deployments.
• InfiniBand EDR qualification ensures compatibility and reliable performance in end-to-end InfiniBand EDR systems, making it a solid choice for HPC and data-intensive workloads.
• Standards-compliant interoperability with the QSFP28 MSA and IEEE 802.3ba 100GbE specifications, enabling seamless integration with a broad ecosystem of switches, NICs, and cabling.
• Hot-pluggable, plug-and-play design for streamlined maintenance and upgrades in compliant server and network environments, minimizing downtime and installation complexity.

Technical Details of Mellanox MMA1L10-CR QSFP28 Module

• Form Factor: QSFP28 optical transceiver module compatible with standard QSFP28 ports.
• Data Rate: 100 Gbps total (4x25 Gbps lanes) for high-performance interconnects in data centers and HPC fabrics.
• Reach: Up to 10 kilometers on single-mode fiber, enabling long-haul links between data centers or within large campus deployments.
• Fiber Type: Single-mode fiber (SMF) configurations, optimized for long-distance links with robust signal integrity.
• Applications: 100GbE links and InfiniBand EDR end-to-end systems, suitable for a range of high-bandwidth workloads.
• Standards Compliance: QSFP28 MSA and IEEE 802.3ba 100GbE standard support, ensuring broad compatibility across vendor equipment.
• Manufacturer: Mellanox, an NVIDIA company, with a heritage of high-performance networking optics for data centers and HPC.
• Compatibility: Designed to integrate with QSFP28-enabled switches, NICs, and storage fabrics that support 100G interfaces.

how to install Mellanox MMA1L10-CR QSFP28 Module

• Power down the host equipment or verify hot-swap support according to the vendor’s guidelines, then access the QSFP28 port slot.
• Ground yourself and handle the module with care to avoid electrostatic discharge (ESD) damage; keep the enclosure closed until installation is complete.
• If replacing an existing module, remove it carefully and dispose of or store it per your organization’s asset management policy.
• Align the MMA1L10-CR with the QSFP28 port and insert it firmly until the latch engages with a click, ensuring full seating for proper electrical and optical contact.
• Connect the single-mode fiber cables to the transceiver ports following your network topology (use the appropriate fiber connectors and ensure correct polarity for your link).
• Power on the equipment or allow hot-swapped operation if supported; access the device management interface to verify recognition of the new transceiver.
• Verify link status, 100G throughput, and error counters through the switch or NIC management console. If link is not established, reseat the module and recheck cabling and polarity.
• Monitor the link for stability over time, checking for temperature-related thermal throttling cues or warning LEDs; consult OEM documentation if any anomalies arise.

Frequently asked questions

• What is the Mellanox MMA1L10-CR QSFP28 Module?
  The MMA1L10-CR is a four-channel QSFP28 optical transceiver designed for 100GbE links and up to 10 km on single-mode fiber, with qualification for InfiniBand EDR end-to-end systems. It adheres to QSFP28 MSA standards and IEEE 802.3ba 100GbE specifications, offering broad compatibility across modern data center networks and HPC fabrics.
• What networks or workloads is it best suited for?
  Ideal for data center backbones, storage interconnects, and HPC clusters that require high-density, long-range 100G connectivity. Its InfiniBand EDR qualification makes it a strong fit for HPC environments that rely on low-latency interconnects and scalable fabric topologies.
• What type of fiber and connectors does it use?
  It is designed for single-mode fiber (SMF) deployments and is compatible with the fiber types typically used in long-haul or campus-scale networks. Connector types vary by installation, but QSFP28 modules commonly pair with LC or MPO/MTP configurations depending on the fiber layout and link design.
• Is the MMA1L10-CR hot-swappable?
  Yes. The module is designed for hot-swapping in systems that support QSFP28 100G optics, enabling maintenance and upgrades with minimal downtime when performed in accordance with equipment vendor guidelines.
• How do I verify the module is working after installation?
  Use your switch or NIC management interface to confirm the transceiver is detected, check the link status, and monitor throughput and error counters. Look for a stable 100G link with no excessive error rates, and verify the link remains up over a representative period of time.
• What standards does it comply with?
  The MMA1L10-CR complies with the QSFP28 MSA and IEEE 802.3ba for 100GbE, ensuring interoperability with a wide range of QSFP28-capable equipment across different vendors. It is also qualified for InfiniBand EDR in end-to-end systems, expanding its applicability in HPC contexts.
• Where can I find additional specifications or compatibility details?
  For precise specifications, compatibility matrixes, and firmware considerations, consult the manufacturer’s documentation and your equipment vendor’s interoperability guides. When available, the product page and datasheets from Mellanox/NVIDIA provide the authoritative guidance for supported devices.