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Cisco

Cisco N3K-C3164Q-40GE | 64x QSFP+ 40GbE (2RU), PoE: none, uplinks: none, license: Base (L2) / LAN Enterprise (L3) option

SKU:N3K-C3164Q-40GE

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Description

High-density 2RU 40GbE data center switch with 64 QSFP+ ports for large-scale leaf/spine fabrics and aggregation. Each QSFP+ can break out to 4x10GbE, enabling up to 256x10GbE server-facing links with nonblocking performance. Built on NX-OS for low-latency, deterministic switching and streamlined operations. Ideal for scalable cloud and enterprise designs, it supports vPC, robust QoS/ACLs, and multicast. Layer 3 routing requires LAN Enterprise licensing; run as pure L2 with Base licensing as needed. Optics and cables are modular for flexible deployment.

Features

- 64x 40GbE QSFP+ in 2RU for large-scale fabrics
- Flexible 256x10GbE breakout for server aggregation
- Line-rate, low-latency switching with NX-OS
- Hot-swappable fans and PSUs for serviceability
- Choice of L2-only or full L3 via LAN Enterprise license
- Compatible with a wide range of QSFP+ optics and cables

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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FAQs

Technical Specifications

FAQs

Q: Does it support 10GbE breakout?
A: Yes. Each QSFP+ can break out to 4x10GbE using supported fanout cables or optics.

Q: Are Layer 3 features included by default?
A: Base licensing supports L2; advanced L3 requires the LAN Enterprise license.

Q: Is PoE available?
A: No. This platform does not provide PoE.

Q: Are transceivers and cables included?
A: No. Optics and cables are sold separately to match your design.

Q: What roles fit this switch best?
A: High-density spine, leaf aggregation, or 40G/10G fanout in large fabrics.

Technical Specifications

- Form factor: 2RU high-density switch
- Ports: 64x QSFP+ 40GbE (supports 4x10GbE breakout per port)
- PoE: Not supported
- Dedicated uplinks: None (all 64 ports are data)
- Throughput: Line-rate switching on all ports
- OS: NX-OS; Base (L2) included, LAN Enterprise (L3) optional
- Layer 2: VLANs, STP/MST, LACP, QoS, ACLs
- Layer 3 (with LAN Ent): Static, OSPF, BGP, PIM multicast (feature dependent)
- High-availability: Hot-swappable fan trays and power supplies
- Management: OOB Ethernet mgmt, RJ-45 console, USB
- Optics: QSFP+ SR4/LR4/CSR4/CR4/AOC (availability dependent on transceiver selection)
- Deployment: Spine or aggregation in large-scale fabrics
- Rack mounting: Standard 19-inch EIA

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