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型号:NVIDIA SN5400
Up to 400GbE per port, delivering 25.6Tb/s of aggregate switch bandwidth
Fully shared packet buffers for fair, predictable, and high-bandwidth data paths
Consistent, low cut-through latency
Converged Ethernet acceleration for RDMA (RoCE) and scaling of AI cloud servers built on Ethernet
Best-in-class VXLAN scale
512,000 shared forwarding entries, flexibly shared across ACLs, Longest Prefix Match (LPM) routes, host routes, MAC, ECMP, and tunnel applications
1+1 hot-swappable power supplies and N+1 hot-swappable fans
Ethernet VPN (EVPN) multi-homing
Multi-chassis Link Aggregation (LAG) for active/active L2 multipathing
Hardware-assisted In-Service Software Upgrade (ISSU)


Interfaces | 64 QSFP-DD 400GbE + 2 SFP28 25GbE (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 | 25.6Tb/s |
Line-rate Switching | 33.3Bpps |
CPU | Hexa-core x86 |
System Memory | 32GB |
SSD Storage | 160GB |
Packet Buffer | 160MB |
100M/1G Management Port | RJ45 |
Serial Port | RJ45 |
USB Port | USB Type 3 |
Hot-swappable Power Supplies | 2 个(1+1 redundancy) |
Hot-swappable Fans | 4个(N+1 redundancy) |
Cooling | Rear-to-front airflow |
Power Supply | Frequency: 50–60Hz; Voltage Range: 208–264V AC |
Dimensions | 3.39” x 17.2’’ x 28.3’’ (86.2mm x 438mm x 720mm) |
SN5400 Series Ordering Information | |
920-9N42C-00RB-7N0 | 400GbE 2U open Ethernet switch based on NVIDIA Spectrum-4, featuring ONIE and NOS authentication, 64 QSFP56-DD ports and 2 SFP28 ports, 2 AC power supplies, x86 CPU, secure boot, standard depth, port-to-power airflow, and tool-less rail kit. |
920-9N42C-00RB-5N0 | 400GbE 2U open Ethernet switch based on NVIDIA Spectrum-4, featuring ONIE, 64 OSFP ports, 1 QSFP28-DD port, 2 SFP28 ports, 2 AC power supplies, x86 CPU, secure boot, standard depth, port-to-power airflow, and tool-less rail kit. |
920-9N42C-00RB-7C0 | 400GbE 2U open Ethernet switch based on NVIDIA Spectrum-4, with Cumulus Linux authentication, 64 QSFP56-DD ports and 2 SFP28 ports, 2 AC power supplies, x86 CPU, secure boot, standard depth, port-to-power airflow, and tool-less rail kit. |








