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Home Switching Data Center Switches InfiniBand Switches NVIDIA Mellanox MCS9520 512-Port 400Gb/s NDR InfiniBand Switch

NVIDIA Mellanox MCS9520 512-Port 400Gb/s NDR InfiniBand Switch

NVIDIA Mellanox MCS9520 512-Port 400Gb/s NDR InfiniBand Switch

Brand:

Mellanox

NVIDIA Mellanox MCS9520 is a Quantum-2 modular InfiniBand chassis built for large-scale AI, HPC, and high-performance data-center fabrics. It provides 512 NDR ports at 400Gb/s with 400Tb/s aggregate capacity, offering a scalable platform for demanding compute and GPU infrastructures.

OVERVIEW

NVIDIA Mellanox MCS9520 is a Quantum-2 modular InfiniBand chassis designed for large AI, HPC, scientific computing, and hyperscale data-center fabrics. It supports 512 NDR ports at 400Gb/s with 400Tb/s aggregate switching capacity, providing substantial fabric scale in a single modular platform. Compared with MCS9510 and MCS9500, it occupies the mid-range position in the CS9500 family at 512 ports and 400Tb/s, making it a practical choice when extreme 1,024- or 2,048-port capacity is unnecessary. Its modular leaf-and-spine architecture supports infrastructure expansion while helping organizations align fabric capacity with current and future compute requirements.

USE CASES

AI and GPU cluster networking
HPC cluster interconnects
Scientific research computing
Large-scale machine learning infrastructure
Supercomputing environments
High-performance storage fabrics
Hyperscale data-center networking
Financial analytics clusters
Enterprise compute fabric expansion
NDR InfiniBand infrastructure modernization

KEY FEATURES

512 NDR ports
400Gb/s port speed
400Tb/s aggregate capacity
Quantum-2 architecture
Modular chassis design
Leaf-and-spine architecture
MLNX-OS management
NVIDIA UFM support
400Gb/s NDR connectivity
High-density AI networking
HPC fabric optimization
Scalable modular platform
In-band fabric management
Advanced congestion control
NVIDIA SHARP acceleration

TECHNICAL SPECIFICATIONS

Brand: NVIDIA Mellanox
Part Number: MCS9520
Product Family: NVIDIA Quantum-2 CS9500
Product Type: Modular InfiniBand Switch
InfiniBand Generation: NDR
InfiniBand Ports: 512
Port Speed: 400Gb/s
Aggregate Switching Capacity: 400Tb/s
Leaf Boards: Up to 20
Spine Boards: Up to 20
Management Software: MLNX-OS
Fabric Management: NVIDIA UFM
Management Interfaces: CLI, WebUI, SNMP, JSON
Chassis: Modular
Rack Compatibility: 19-inch rack
Connectivity: 400Gb/s InfiniBand

WHY CHOOSE THIS PRODUCT?

MCS9520 fits organizations that need substantial NDR fabric capacity without moving to the 1,024-port MCS9510 or 2,048-port MCS9500. Its 512-port, 400Tb/s architecture provides a strong middle tier for AI and HPC expansion, while modular leaf-and-spine design supports long-term infrastructure scaling.

CUSTOMER REVIEW

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