The Mellanox 920-9N42C-00RB-5N0 is an enterprise-grade switch engineered for next-generation, high-density networking environments across data centers and cloud-scale deployments. As an advanced NVIDIA switch, it delivers robust performance tailored to organizations demanding scalable and reliable Ethernet switch capabilities. The hardware leverages 64 QSFP-DD ports, providing rich QSFP-DD connectivity for ultra-fast 400GbE networking, supported by an x86 CPU platform with hexa-core architecture. This combination offers comprehensive flexibility and powerful data throughput to meet the demands of virtualization, AI, and HPC clusters. By integrating a large x86 CPU, the switch is optimized for software-defined and automated operations, enabling seamless orchestration and management. Power efficiency, hot-swap redundancy, and reverse airflow help reduce operational costs without compromising availability. The Mellanox 920-9N42C-00RB-5N0 utilizes advanced packet buffering and significant SSD resources to maintain consistently low latency under heavy workloads. It is the ideal fit for regional requirements in Asia, Europe, Africa, and North America, catering to channel distributors, system integrators, and enterprise end-users seeking advanced network scaling. The inclusion of wire-speed switching at 33.3 Bpps further ensures uncompromised packet delivery, positioning this Ethernet switch as a forward-looking investment for core infrastructures built on NVIDIA technology.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | 920-9N42C-00RB-5N0 | N9K-C9332D-GX2B | 834976-B22 | OS9702-CHASSIS |
| Brand | Mellanox | Cisco | HPE | Alcatel-Lucent |
| Port Configuration | 64 × QSFP-DD 400GbE, 2 × SFP28 25GbE | 32 x 400G QSFP-DD | 36 × InfiniBand EDR ports (100Gb/s per port), 1 × 1GbE RJ-45 management port | n/a |
| Switching Capacity | 25.6 Tb/s | 12.8 Tbps | 7.2 Tb/s (bidirectional) | n/a |
| Forwarding Rate | 33.3 Bpps | n/a | n/a | n/a |
| PoE Budget | n/a | n/a | n/a | n/a |
| Stacking Capability | n/a | n/a | n/a | n/a |
Optional Add-ons
| Model Number | Description |
| MFA7U10-H100 | Mellanox QSFP-DD to QSFP-DD 400GbE DAC Cable, ideal for direct switch interconnects. |
| MAM1Q00A-QSA | Mellanox QSFP28 to SFP28 Adapter, supporting flexible connectivity for legacy equipment. |
| MPN:PSU-400G-R | Mellanox Redundant Power Supply for 400GbE switch, ensuring uninterrupted uptime and resilience. |
Nvidia 920-9N42C-00RB-5N0 Specification
| Model | 920-9N42C-00RB-5N0 |
| Brand | Mellanox |
| Connectors | 64 × QSFP-DD 400GbE, 2 × SFP28 25GbE |
| Max 800GbE Ports | ??/td> |
| Max 400GbE Ports | 64 |
| Max 200GbE Ports | 128 |
| Max 100GbE Ports | 256 |
| Max 50GbE Ports | 256 |
| Max 40GbE Ports | 128 |
| Max 25GbE Ports | 256 + 2 |
| Max 10GbE Ports | 256 + 2 |
| Max 1GbE Ports | 2 |
| Switching Capacity | 25.6 Tb/s |
| Wire-Speed Switching | 33.3 Bpps |
| CPU | Hexa-core x86 |
| System Memory | 32 GB |
| SSD Memory | 160 GB |
| Packet Buffer | 160 MB |
| Management Port | RJ45 (100/1000 Mb/s) |
| Serial Port | RJ45 |
| USB Port | USB Type 3 |
| Hot-Swap Power Supplies | 2 (1+1 redundant) |
| Hot-Swappable Fans | 4 (N+1 redundant) |
| Airflow | Reverse |
| Power Supply | Frequency: 50??0 Hz, Input: 208??64 V AC |
| Size (H × W × D) | 3.39 in × 17.2 in × 28.3 in (86.2 mm × 438 mm × 720 mm) |
| 920-9N42C-00RB-5N0 | 920-9N42C-00RB-5N0 |
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