Description
The Cisco Nexus N3K-C3164Q-40GE is a high-density, power-efficient 10/40-Gigabit data center switch, designed for ultra-low latency and high-performance environments. With 64 QSFP+ ports, this 2RU switch delivers wire-rate Layer 2 and Layer 3 switching across all ports, supporting demanding applications such as big data, cloud computing, virtualization, and high-performance computing (HPC).
Running an enhanced version of Cisco NX-OS Software, the Nexus 3164Q offers rich programmability and simplified image management, allowing organizations to deploy today’s workloads while being prepared for future networking requirements. Its compact form factor, redundant components, and high throughput make it ideal for modern data center and enterprise core networks.
Key Features
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64 QSFP+ ports, each supporting native 40GbE or 4 × 10GbE breakout mode
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Wire-rate Layer 2 and Layer 3 switching on all ports
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Enhanced NX-OS software, compatible with Nexus 9000 series
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Ultra-low latency and high-density 10/40-Gigabit connectivity
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5.12 Tbps switching capacity with forwarding rates up to 3.8 bpps
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Configurable jumbo frames up to 9216 bytes for optimized performance
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2 redundant power supplies and 3+1 redundant fans for high availability
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Management, console, and USB flash memory ports for flexible administration
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Used A++ condition, fully tested for enterprise reliability
Quick Specifications
| Specification | Details |
|---|---|
| Product Code | N3K-C3164Q-40GE |
| Form Factor | 2 RU fixed |
| Ports | 64 × QSFP+ (40GbE / 4 × 10GbE breakout) |
| Switching Capacity | 5.12 Tbps |
| Forwarding Rate | Up to 3.8 bpps |
| Layer Support | Layer 2 & Layer 3 wire-rate |
| MTU | Up to 9216 bytes (jumbo frames) |
| Redundancy | 2 power supplies, 3+1 fans |
| Management | Console, management, USB ports |
| Physical Dimensions (H × W × D) | 3.48 × 17.41 × 22.32 in (88.4 × 442 × 566 mm) |
| Weight | 37 lb (16.8 kg) |




