Mellanox delivers enterprise-class Layer 3 Ethernet switches aimed at addressing the most demanding high-performance environments. The 920-9N42C-00RB-7C0 is built on the powerful NVIDIA Spectrum-4 platform and is engineered to excel as a core or aggregation switch in next-generation data centers. A true high-capacity Ethernet switch, it features an extensive range of QSFP56-DD ports for maximum throughput and port density, enabling robust and scalable network architectures. Leveraging its comprehensive support for Cumulus Linux, the switch empowers network operators with advanced automation and flexible management options, streamlining provisioning and control across complex infrastructures. The availability of 64 QSFP-DD 400GbE and 2 SFP28 25GbE connectors ensures seamless integration with modern optical networks, making the switch exceptionally versatile. Designed for ultra-low latency and superior reliability, it offers wire-speed switching at 33.3 Bpps and an enormous switching capacity of 25.6 Tbps, meeting the requirements of high-frequency trading, AI clusters, and hyperscale cloud data centers. Each feature, from dual hot-swap power supplies and redundant fans to a reverse airflow design, guarantees resilient 24/7 operation. With Spectrum-4 ASICs, advanced analytics, and support for the latest industry protocols, IT administrators, system integrators, and channel distributors worldwide can maximize network efficiency and prepare infrastructures for emerging bandwidth-intensive applications.
Product Highlights
Product Applications Scenarios
Product Features Comparison
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| Model | 920-9N42C-00RB-7C0 | 920-9N112-00R7-1N0 | NVIDIA Mellanox MSN4700-WS2F | 920-9N201-00RA-0N0 |
| Port Configuration | 64 × QSFP-DD 400GbE, 2 × SFP28 25GbE | 48 x SFP28 25GbE, 8 x QSFP28 100GbE | 32 x QSFP-DD, 1/10/25/40/50/100/200/400 GbE per port | 32 × QSFP56 200GbE |
| Switching Capacity | 25.6 Tbps | 2 Tbps | 12.8 Tbps | 6.4 Tbps |
| Forwarding Rate | 33.3 Bpps | 2.97 Bpps | n/a | 8.33 Bpps |
| 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 |
| MAM1Q00A-QSA | Mellanox QSFP to SFP Adapter Module for flexible port compatibility and deployment |
| QDD-400G-PSM4 | Mellanox 400GbE QSFP-DD transceiver module for long-range optical connection |
| ATC0125A | Mellanox redundant hot-swappable power supply for improved uptime |
Nvidia 920-9N42C-00RB-7C0 Specification
| Model | 920-9N42C-00RB-7C0 |
| 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 Tbps |
| Wire-Speed Switching | 33.3 Bpps |
| CPU | Hexa-core x86 |
| System Memory | 32 GB |
| SSD Memory | 160 GB |
| Packet Buffer | 160 MB |
| Management Port (100/1000Mb/s) | RJ45 |
| 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 range 208??64 V AC |
| Dimensions (H × W × D) | 3.39 in × 17.2 in × 28.3 in (86.2 mm × 438 mm × 720 mm) |
| 920-9N42C-00RB-7C0 | 920-9N42C-00RB-7C0 |
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