SB7890: EDR 100Gb/s InfiniBand Smart Switch System

1. MSB7890-ES2F Product Overview

The Mellanox SB7890 is a groundbreaking 36-port non-blocking EDR 100Gb/s InfiniBand smart switch system, designed for high-performance computing and enterprise data centers. It delivers an industry-leading 7.2Tb/s aggregate throughput with ultra-low latency of 90ns, making it the ideal solution for data-intensive applications. This network switch incorporates innovative in-network computing technology to accelerate collective operations and optimize fabric performance.

2. MSB7890-ES2F Key Characteristics

• 36 non-blocking EDR 100Gb/s ports supporting full bi-directional bandwidth
• 7.2Tb/s aggregate switch throughput with 90ns port-to-port latency
• Integrated Co-Design SHARP™ technology for collective communication offload
• Adaptive routing and congestion control for optimized fabric performance
• Redundant, hot-swappable power supplies and cooling fans
• Low power consumption: 122W (ATIS) with passive cables

3. MSB7890-ES2F Core Technology

The SB7890 leverages Mellanox's Switch-IB® 2 technology, utilizing 64/66 encoding and 25Gb/s per lane signaling. It supports advanced features like adaptive routing, congestion control, and VL mapping, enabling modern topologies such as SlimFly and Dragonfly+. The integrated SHARP technology allows the network switch to handle collective operations in hardware, significantly reducing CPU overhead and network traffic.

4. MSB7890-ES2F Working Principle

The SB7890 operates as a smart switch by processing data in transit. During collective operations (e.g., MPI reductions), the switch hardware aggregates data packets as they pass through, eliminating the need for multiple transmissions between endpoints. This in-network processing reduces latency and frees up server resources. The adaptive routing engine dynamically selects paths to avoid congestion, ensuring efficient bandwidth utilization across the fabric.

5. MSB7890-ES2F Applications & Usage

This InfiniBand switch is ideal for:

• High-Performance Computing (HPC) clusters
• Enterprise Data Centers (EDC) with high bandwidth demands
• Artificial Intelligence and Machine Learning workloads
• Large-scale storage and data analytics environments
• Top-of-rack leaf connectivity in fat-tree or hypercube topologies

6. Specifications & Selection Guide

7. Advantages & Selling Points

• World’s first smart switch with in-network computing capabilities
• Significantly reduces application runtime via collective offload
• Superior energy efficiency with industry-low power consumption
• Designed for modern low-diameter topologies (e.g., SlimFly)
• Backward compatible with FDR InfiniBand technology

8. Service & Support

We offer comprehensive support including 24/7 technical consultation, worldwide shipping, and a 1-year warranty. Our professional team ensures accurate delivery and ongoing technical assistance for integration and optimization.

9. Frequently Asked Questions

Q: What cabling options are supported?
A: The switch supports passive copper cables, active optical cables, and optical modules via QSPF28 connectors.

Q: Is the SB7890 compatible with existing FDR infrastructure?
A: Yes, this network switch is fully backward compatible with FDR InfiniBand technology.

Q: How does SHARP technology improve performance?
A: It offloads collective operations to switch hardware, reducing network traffic and CPU utilization.

10. Precautions

• Ensure compatible airflow direction (P2C or C2P) when installing in a rack.
• Operating temperature must be maintained between 0°C and 45°C.
• Use only certified Mellanox power supplies and fan modules.
• Verify cable specifications to ensure EDR performance compliance.

11. Company Introduction

With over 10 years of industry experience, we operate a large factory supported by a strong technical team. We have served numerous clients worldwide, offering competitive pricing and high-quality service. Our portfolio includes leading brands such as Mellanox, Ruckus, Aruba, and Extreme. We supply original new network switches, network cards, wireless access points, controllers, and cables. Our inventory exceeds 10 million items, ensuring ample selection and bulk supply capabilities. We guarantee accurate delivery and provide round-the-clock customer service and technical support.

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