Product Description
Nvidia Spectrum-4 Ethernet switch ASIC 25.6Tb/s With 512x 50Gb/s PAM4 And 64x 400GbE interfaces
Key Features:
51.2Tb/s switching And routing
12.8Tb/s Crypto engine traffic
100Gb/s PAM4 SerDes
TSMC 4N Process
RoCE dynamic data path extensions
Fully shared buffer architecture
4X packet rate
30 percent lower power consumption
Flexible port configurations
• 64x 800GbE ports
• 128x 400GbE ports
• 256x 200/100GbE ports
Proof Points
Consistent Performance For Generative AI via RoCE Extensions
RoCE Adaptive Routing
RoCE Congestion Control
RoCE Performance Isolation
RoCE port-to-port (RP2P) Auto-path Configuration
Synchronized Collectives
Industry-low Latency
Advanced Virtualization
Single-pass VXLAN bridging And routing
Centralized VXLAN routing
Comprehensive And programmable tunneling technology support
Network address translation (NAT)
Cloud-Tier Scale And Security
Half a million flexible entries shared across routes, MAC, ACL,MPLS, etc.
10X better VXLAN VTEP And tunnel scale
12.8Tb/s line rate encryption
Class C PTP And SyncE time synchronization
Secured switch offerings via hardware root-of-trust
Accelerated Event-Based Telemetry
Actionable telemetry With WJH
FabricView histograms
Streaming telemetry
In-band network telemetry
Telemetry CPU offloads