• Cisco N3K-C3164Q-40GE switch with 64 QSFP+ 40GbE ports
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Cisco

Cisco N3K-C3164Q-40GE | Nexus 3000 64-Port 40GbE QSFP+ Switch, 5.12 Tbps, 2RU

N3K-C3164Q-40GE

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Description

The Cisco N3K-C3164Q-40GE Nexus 3164Q is an ultra-high-density data center switch delivering wire-rate Layer 2 and Layer 3 switching across 64 QSFP+ ports in a compact 2RU form factor. Each port supports native 40 Gigabit Ethernet or can be broken out into 4x 10GbE, enabling up to 256 10G ports for maximum flexibility. Ideal for top-of-rack and end-of-row deployments in enterprise and cloud data centers, it combines 5.12 Tbps switching capacity with advanced programmability via Cisco NX-OS.

Features

Wire-rate Layer 2 and Layer 3 switching on all 64 QSFP+ ports
- Native 40GbE and 10GbE breakout support (up to 256x 10G ports)
- High-performance switching: 5.12 Tbps capacity, 3.8 bpps forwarding rate
- Cisco NX-OS operating system with modular architecture for high availability
- Advanced Layer 3 routing: BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, MSDP (with LAN Enterprise license)
- Comprehensive Layer 2 features: VLANs, STP/RSTP/MST, LACP, VPC (Virtual Port Channel)
- Rich programmability: NX-API (JSON/XML), Python scripting, Embedded Event Manager (EEM)
- Power-On Auto Provisioning (POAP) for zero-touch deployment
- Advanced buffer monitoring and real-time queue utilization reporting
- Built-in Ethanalyzer (Wireshark-based packet analyzer) for troubleshooting
- Hot and cold patching, online diagnostics
- Process isolation and restart without state loss for high availability
- Dual redundant AC power supplies and fan modules
- Front-to-back or back-to-front airflow configurations
- OpenStack plug-in support and integration with automation tools (Puppet, Chef)

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

64x QSFP+ ports (40 Gigabit Ethernet)
- Each QSFP+ port configurable as native 40GbE or 4x 10GbE (up to 256x 10G ports total)
- Switching capacity: 5.12 Tbps
- Forwarding rate: 3.8 billion packets per second (bpps)
- Memory: 16 GB DRAM
- Storage: 64 GB SSD
- CPU: Six-core processor
- Operating system: Cisco NX-OS Software (unified image for Nexus 9000/9500 platforms)
- Management: CLI, SNMP v1/v2/v3, NX-API (JSON/XML), SSH, Telnet, DHCP, SCP, RMON, Syslog
- Form factor: 2RU rack-mountable
- Dimensions (H x W x D): 3.5 in x 17.4 in x 22.3 in (88.9mm x 442mm x 566mm)
- Power supply: Dual redundant AC power supplies (N9K-PAC-1200W), 120/230V AC
- Airflow: Front-to-back (port-side intake) or back-to-front configurations available
- Software licenses: Base (L2) included; LAN Enterprise (L3 unicast/multicast routing) optional

FAQs

Q: Can the QSFP+ ports be used for 10GbE connectivity?
A: Yes, each QSFP+ port can operate in native 40GbE mode or be broken out into 4x 10GbE ports using appropriate breakout cables or transceivers, supporting up to 256x 10G ports across the switch.

Q: What Layer 3 routing features are available on the Nexus 3164Q?
A: The base software includes fundamental Layer 3 features. Advanced Layer 3 unicast and multicast routing protocols (BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, MSDP) require the optional LAN Enterprise license.

Q: Is this switch suitable for top-of-rack data center deployments?
A: Absolutely. The Nexus 3164Q is designed specifically for top-of-rack and end-of-row data center deployments, offering ultra-high port density, low latency, and wire-rate Layer 2/3 switching in a compact 2RU chassis.

Q: Does the N3K-C3164Q-40GE support advanced automation and programmability?
A: Yes, it supports Cisco NX-API with JSON and XML over HTTP/HTTPS, Python scripting, Embedded Event Manager, Power-On Auto Provisioning (POAP), and integration with automation tools like Puppet and Chef.

Q: What is the end-of-life status for the Nexus 3164Q?
A: Cisco announced end-of-sale for the Nexus 3164Q in January 2023. While new units are no longer available from Cisco, the platform continues to receive software support and is widely available through the secondary market for organizations requiring ultra-high-density 40GbE switching.

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