Type | Modular InfiniBand Switch Chassis |
Form Factor | 29U Rackmount |
Switching Capacity | 320 Tbps |
Bandwidth per Port | 200 Gbps (HDR) |
Virtual Lanes | 9 |
Installed Line Cards | 16 |
Power Supply Type | Internal, hot-plug |
Power Redundancy | Yes (N+N) |
80 PLUS Certification | 80 PLUS Gold |
Device Type | Smart InfiniBand Switch |
Warranty | 1-year limited warranty |
NVIDIA Mellanox Quantum CS8500 HDR InfiniBand Chassis, 800-Port, 320Tb/s


Key Benefits

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- Delivers unmatched data throughput (320 Tbps) for HPC, AI, and data center scalability.
- Ensures high uptime with redundant power supply architecture (N+N) and modular design.
- Supports advanced network optimization with adaptive routing, congestion control, and SNMP-based remote management.
Product Overview
The NVIDIA Mellanox Quantum CS8500 HDR InfiniBand chassis is a high-performance 800-port switch delivering up to 320 Tbps switching capacity. Housed in a modular 29U chassis, it utilizes QSFP28 interfaces with bandwidths of up to 200 Gbps per port. Engineered for enterprise and scientific computing, it includes power redundancy (N+N) and supports 80 PLUS Gold efficiency. Remote management is enabled via SNMP, CLI, and HTTP. Designed for scalable deployments, the unit also complies with key industry standards, including IBTA, RoHS, and ISO.
Specifications
Product Overview
Cloud Management & Licensing
Remote Management Protocols | SNMPv1, SNMPv2, SNMPv3, HTTP, CLI |
Physical & Environmental
Rack Units | 29U |
Status Indicators | Port status, power, link/activity, fan |
Minimum Operating Temperature | 32 °F (0 °C) |
Maximum Operating Temperature | 104 °F (40 °C) |
Humidity Operating Range | 10% – 85% (non-condensing) |
Minimum Storage Temperature | -40 °F (-40 °C) |
Maximum Storage Temperature | 158 °F (70 °C) |
Interfaces
InfiniBand Ports | 800 x QSFP28 HDR |
Management Interface (LAN) | 1 x RJ-45 (Gigabit Ethernet) |
Management Interface (Serial) | 1 x RS-232 |
USB Ports | 1 x USB |
Data Transfer Rate | 200 Gbps per port (HDR) |
Advanced Security Features
Traffic Management | Congestion control, adaptive routing |
Compliance & Origin
Compliance Standards | IBTA 1.21, IBTA 1.3, VCCI, CB, EMC, FCC, RoHS, ICES, cTUVus, ISO 7779, ETS 300 753, RCM, CU |
Country of Origin | Taiwan / Israel |
TAA Compliant | Yes |