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Cisco

Cisco N3K-C31128PQ-10GE | 96x10G SFP+ + 8x40G QSFP+ | PoE: none | Uplinks: 8x40G | License: NX-OS feature-based

SKU:N3K-C31128PQ-10GE

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Description

High-density 10GbE aggregation switch delivering line-rate L2/L3 performance for spine/leaf and top-of-rack designs. Offers 96 SFP+ 1/10G access ports and 8 QSFP+ 40G for high-speed uplinks or 4x10G breakouts, with NX-OS for consistent data center operations and automation. Ideal for low-latency workloads and seamless IPv4/IPv6 deployments.

Features

- High-density 10G aggregation with flexible 40G uplinks
- Line-rate L2/L3 services with deterministic low latency
- Flexible QSFP+ 4x10G breakouts for rapid scale-out
- Comprehensive automation via NX-API, JSON/REST, and Python tooling
- Robust data center features: VXLAN, EVPN, PFC/ETS QoS
- Redundant hot-swap power and cooling for non-stop operation

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: Can the QSFP+ ports be broken out to 10G?
A: Yes. Each QSFP+ 40G port can break out to 4x10G with supported breakout cables.

Q: Does this switch support VXLAN/EVPN?
A: Yes, VXLAN and EVPN are supported under the NX-OS feature set.

Q: Is PoE supported on any ports?
A: No. This is a data center switch without PoE.

Q: Can I stack this switch?
A: Traditional stacking is not supported; use vPC/MLAG for multi-chassis redundancy.

Q: What optics and cables are supported?
A: SFP+ for 1/10G and QSFP+ for 40G, including DAC/AOC and approved optical transceivers and breakout cables.

Technical Specifications

- Port configuration: 96x SFP+ (1/10GbE) + 8x QSFP+ (40GbE)
- QSFP+ breakout: 4x10GbE per QSFP+ (up to 32x10G via breakouts)
- Form factor: 2U rack-mount, fixed configuration
- Performance: line-rate L2/L3 forwarding on all ports
- Feature set: IPv4/IPv6, ACLs, QoS, VXLAN, EVPN, BGP/OSPF/IS-IS (NX-OS)
- Low-latency, cut-through switching suitable for HFT and storage fabrics
- Redundancy: hot-swappable fan trays and dual hot-swappable PSUs
- Management: RJ-45 console, out-of-band Ethernet management, USB
- Resiliency: MLAG/vPC for active-active uplinks
- Operating system: NX-OS (feature-based licensing)

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