Key Features
The NVIDIA Spectrum-X800 Ethernet Platform represents a significant advancement in Ethernet technology, incorporating and extending the innovative features of its predecessor, Spectrum-X, to deliver unparalleled Ethernet network performance.
NVIDIA Spectrum-X800 Ethernet
800G octal small form-factor pluggable (OSFP) and 51.2 terabits per second (Tb/s) of switching capacity
Cutting-Edge Network Capabilities
- Adaptive Routing with RDMA over Converged Ethernet (RoCE): This feature enables lossless networks, integrating the switch and SuperNIC to enhance bandwidth and resilience, particularly beneficial for AI fabrics.
- Programmable Congestion Control: By employing advanced congestion control techniques, the Spectrum-X800 excels in providing noise isolation within multi-tenant AI environments, ensuring uninterrupted operation.
- Ultra-Low Latency: Leveraging the Spectrum-4 switch, the platform offers exceptionally low latency and large radix. This allows for scalable deployments capable of supporting hundreds of thousands of GPUs without latency-induced performance degradation.
AI-Optimized Ethernet Networking
NVIDIA Spectrum™-X800 emerges as the first end-to-end, AI-optimized 800G Ethernet platform designed for generative AI clouds and enterprises. It features the NVIDIA Spectrum-X800 SN5600 800 gigabits per second (Gb/s) Ethernet switch and the NVIDIA® BlueField SuperNIC™. This combination provides an optimal solution for constructing multi-tenant, hyperscale AI clouds over a standard-based Ethernet framework.
By harnessing adaptive routing and sophisticated congestion control mechanisms, Spectrum-X800 ensures optimum effective bandwidth and superior noise isolation. These capabilities are crucial for delivering the highest level of Ethernet networking performance for AI applications.
Purpose-Built for Multi-Tenant Environments
Spectrum-X800 is uniquely designed for high-performance Ethernet in generative AI, providing performance isolation to guarantee optimal and consistent AI workload performance for each tenant. This leads to enhanced customer satisfaction and service quality. The platform also offers comprehensive visibility through streaming telemetry, aiding in the identification of performance bottlenecks and facilitating complete automated fabric validation.
Spectrum-X800 stands out by delivering consistent, predictable results for thousands of simultaneous AI jobs at every scale. This enables cloud service providers (CSPs) and large enterprises to accelerate AI solution development, deployment, and market introduction, thereby enhancing investment returns.
NVIDIA Spectrum-X800 Technical Insights
The Spectrum-X800 SN5600 switch, boasting 64 ports of 800G octal small form-factor pluggable (OSFP) and a 51.2 terabits per second (Tb/s) switching capacity, represents the pinnacle of Ethernet switching technology by aggregate bandwidth. Drawing from the Spectrum-4 architecture, it significantly surpasses previous-generation switches in both switching capacity and port count. Its adoption extends beyond the current 400G Spectrum-X platform, with OEMs and customers already embracing this technology.
Innovations in Network Acceleration
The BlueField-3 SuperNIC stands at the forefront of network acceleration technology, specifically engineered to elevate hyperscale AI workloads. With its efficient, power-saving design, the BlueField-3 SuperNIC excels in facilitating RoCE network connectivity between GPU servers, thus optimizing AI workload efficiency. This breakthrough heralds a new phase in AI cloud computing, ensuring secure, multi-tenant data center operations with precise, isolated performance across jobs and tenants.
Flexible Connectivity Options
NVIDIA Spectrum-X800 platform's connectivity options, coupled with the NVIDIA LinkX® interconnect portfolio, offer unparalleled flexibility in network topology construction. The portfolio includes optical transceivers, passive fiber cables, direct-attached copper (DAC) cables, and linear active copper cables (LACCs), supporting up to 800Gb/s links for distances up to 2 kilometers.
NVIDIA Full-Stack Integration
The platform's integration with the NVIDIA software stack — including NetQ™ for AI visibility, the Collective Communications Library (NCCL) for optimized operations, and full-stack solutions like Nsight™, DOCA™, BlueField-3 SuperNIC, and Spectrum-4 — simplifies deployment. This integration facilitates quick, production-ready setup, accelerating AI advancements.