Key Takeaways
The N9K-C92160YC-X delivers 3.2 Tbps non-blocking switching bandwidth with 2.5+ billion packets per second forwarding, making it suitable for high-density data center leaf-spine deployments without throughput bottlenecks.
Native support for 25 Gbps server connectivity across all 48 downlink ports provides 2.5x bandwidth improvement over 10 Gbps without additional cabling, with FC-FEC and RS-FEC error correction ensuring reliable signal integrity.
The switch exports line-rate telemetry to Cisco Tetration Analytics at 100ms intervals across all 55 ports simultaneously without introducing forwarding latency, enabling real-time east-west traffic visibility and micro-segmentation.
NX-OS support includes VXLAN/BGP EVPN overlays, 64-way ECMP load balancing, Python automation, and Ansible integration, enabling programmable fabric architectures for multi-cloud and DevOps-aligned infrastructure.
Certified pre-owned units provide full NX-OS functionality at reduced capital cost, backed by Advanced Replacement Lifetime Warranty and compatible with Tri-Net third-party maintenance as an alternative to OEM support.
The 1RU form factor with 55 total ports (48×25G downlinks, 4×100G uplinks, 2×40G uplinks) supports 4,096 VLANs and 96,000 MAC addresses, making it ideal for multi-tenant service provider and cloud computing environments.
The Cisco N9K-C92160YC-X is a purpose-built data center switch engineered for high-density, high-throughput environments where performance and scalability are non-negotiable. As part of the Cisco Nexus 9200 platform, this 1-Rack-Unit (1RU) switch delivers 3.2 Terabits per second (Tbps) of total switching bandwidth and over 2.5 billion packets per second (bpps) of forwarding capacity, metrics that position it firmly in the enterprise and service provider tier. Built on Cisco Cloud Scale ASIC technology and running NX-OS, the 92160YC-X supports programmable fabric architectures, granular telemetry, and flexible port configurations that align with modern cloud computing, data center, and campus aggregation deployments. For IT procurement specialists, enterprise IT managers, and data center operators evaluating certified pre-owned hardware to optimize infrastructure spend, the N9K-C92160YC-X represents a compelling combination of density, flexibility, and platform longevity. This article provides a detailed technical breakdown of the switch’s specifications, supported use cases, and key operational considerations.
Hardware Architecture and Physical Specifications
The N9K-C92160YC-X occupies a single rack unit (1RU) and weighs 6.4 kg, making it an efficient choice for space-constrained data center deployments. Its compact form factor does not compromise density, the switch supports 55 total network interfaces, distributed across multiple port types optimized for both server connectivity and high-speed uplinks.
The compute substrate includes a 2-core CPU, 16 GB of system memory (RAM), and a 64 GB SSD for configuration storage, logging, and software management tasks. This hardware foundation provides sufficient processing headroom to manage NX-OS operations, telemetry export pipelines, and complex routing table entries simultaneously without degrading forwarding performance.
Port Configuration Summary
Port Type | Quantity | Speed Options | Connector |
|---|---|---|---|
Downlink Ports | 48 | 1 / 10 / 25 Gbps | SFP28 |
100G Uplink Ports | 4 | 100 Gbps | QSFP28 |
40G Uplink Ports | 2 | 40 Gbps | QSFP |
Management Port | 1 | 1000BASE-T | RJ-45 |
The 48 downlink SFP28 ports are auto-negotiating across 1, 10, and 25 Gbps speeds, providing investment protection for organizations operating heterogeneous server environments. The 6 QSFP28 uplink ports — 4 operating at 100 Gbps and 2 at 40 Gbps, enable high-bandwidth spine connections in leaf-spine fabric designs. For teams considering how the 92160YC-X fits into broader switching architectures, the Cisco Switch Comparison 2026 Guide provides a useful reference for evaluating platform options across the Nexus and Catalyst portfolios.
Performance Metrics and Forwarding Capabilities
At the core of the N9K-C92160YC-X’s performance profile is the Cisco Cloud Scale ASIC, which enables line-rate Layer 2 and Layer 3 forwarding across all ports simultaneously. The switch delivers 3.2 Tbps of non-blocking switching bandwidth, with a forwarding rate exceeding 2.5 billion packets per second. These figures ensure that the switch does not become a bottleneck in high-throughput storage, virtualization, or east-west traffic environments.
Scalability Parameters
MAC Address Table: 96,000 entries — sufficient for large multi-tenant or virtualized data center environments
IPv4 Routing Table: Up to 16,000 routes, supporting enterprise-scale Layer 3 segmentation
VLAN Support: Up to 4,096 VLANs for granular Layer 2 domain separation
ECMP Paths: 64 Equal-Cost Multipathing ways, enabling efficient load distribution across fabric uplinks
Forwarding Rate: 2.5+ billion packets per second at line rate
Total Bandwidth: 3.2 Tbps non-blocking switching capacity
The 64-way ECMP support is particularly relevant for leaf-spine deployments, where traffic must be distributed evenly across multiple uplink paths to maximize available bandwidth and minimize latency.
25 Gbps Connectivity and Forward Error Correction
One of the distinguishing technical capabilities of the N9K-C92160YC-X is its native support for 25 Gbps server-side connectivity across all 48 downlink ports. At 25 Gbps, the switch enables a 2.5x bandwidth improvement over 10 Gbps connections without requiring additional cabling infrastructure, making it a cost-effective upgrade path for organizations transitioning server connectivity speeds.
To ensure signal integrity at 25 Gbps speeds, the switch supports FC-FEC (Fire Code Forward Error Correction) and RS-FEC (Reed-Solomon FEC). These error correction mechanisms compensate for signal degradation over longer cable runs and lower-quality optical paths, enabling reliable 25 Gbps operation in real-world data center environments. For infrastructure teams evaluating the cabling requirements associated with 25 Gbps deployments, the article on why fiber optic cabling is critical for modern IT infrastructure provides relevant context on physical layer considerations.
Cisco Tetration Analytics and Telemetry Support
The N9K-C92160YC-X integrates natively with Cisco Tetration Analytics, a workload protection and micro-segmentation platform that leverages per-flow telemetry data to provide real-time visibility into data center traffic patterns. The switch exports telemetry at line rate across all ports with a default export interval of 100 milliseconds from the ASIC — without introducing measurable forwarding latency.
This capability is operationally significant for enterprise security teams and data center operators who require granular visibility into east-west traffic flows without deploying dedicated network taps or packet brokers. The telemetry export mechanism operates independently of the data plane, ensuring that monitoring does not compete with production forwarding resources.
Line-rate telemetry export across all 55 ports simultaneously
Default ASIC telemetry export interval: 100 milliseconds
No forwarding latency introduced by telemetry collection
Compatible with Cisco Tetration Analytics workload protection platform
Organizations evaluating the broader implications of AI-driven analytics on network infrastructure can explore the impact of AI on IT networks for context on how telemetry-rich platforms like the 92160YC-X align with modern intelligent infrastructure strategies.
NX-OS and Programmable Fabric Support
The N9K-C92160YC-X runs Cisco NX-OS, an enterprise-grade operating system designed for data center environments. NX-OS provides a rich feature set including VXLAN overlay support, BGP EVPN control plane integration, and robust automation capabilities via Python scripting, Ansible, and open APIs. These features make the switch well-suited for organizations deploying programmable fabric architectures in multi-tenant or multi-cloud environments.
The switch’s programmability extends to support for infrastructure-as-code workflows, enabling network infrastructure teams to manage configuration at scale through version-controlled automation pipelines. This is increasingly relevant in 2026 as organizations continue to align network operations with DevOps and platform engineering practices.
Key NX-OS Feature Support
VXLAN with BGP EVPN control plane for overlay fabric deployments
Line-rate Layer 2 and Layer 3 forwarding with no performance penalty
Python scripting and open API support for automation workflows
OSPF, BGP, IS-IS routing protocol support for Layer 3 fabric designs
Embedded Event Manager (EEM) for automated network response policies
Primary Use Cases for the N9K-C92160YC-X
The 92160YC-X is designed to serve as a top-of-rack (ToR) leaf switch in leaf-spine data center fabrics, an aggregation layer switch in campus networks, or a standalone high-density switch for service provider hosting environments. Its port flexibility and high-bandwidth uplink capacity make it adaptable across a range of deployment scenarios.
Recommended Deployment Scenarios
Leaf-Spine Data Center Fabric: Deploy as a leaf switch connecting server racks via 25G downlinks, with 100G uplinks connecting to spine switches for non-blocking east-west traffic forwarding.
Top-of-Rack Server Connectivity: Aggregate 48 server connections at 1/10/25 Gbps with uplink diversity across 100G spine connections, eliminating access-layer bottlenecks.
Service Provider Hosting Environments: Leverage VLAN scale (4,096 VLANs), large MAC tables (96k entries), and ECMP (64 paths) to support multi-tenant hosting infrastructure at scale.
Cloud Computing Infrastructure: Integrate with VXLAN/BGP EVPN overlays to support multi-cloud or hybrid cloud network fabrics requiring programmable forwarding and telemetry visibility.
HPC and Storage Networking: Utilize 25G downlinks and 100G uplinks to support high-throughput storage area network (SAN) traffic alongside compute workloads in converged data center environments.
Data center operators building or refreshing infrastructure in 2026 can request a quote for certified pre-owned N9K-C92160YC-X units to evaluate cost-effective sourcing options that preserve full NX-OS functionality. According to Network World, the demand for high-density 25G leaf switches continues to accelerate as enterprises modernize data center fabrics ahead of AI workload deployments.
Certified Pre-Owned Hardware Considerations
For enterprise IT managers and procurement specialists operating under constrained capital budgets, sourcing the N9K-C92160YC-X as certified pre-owned (CPO) hardware is a financially sound strategy. CPO units sourced through a qualified IT partner undergo rigorous functional testing, component-level inspection, and configuration reset processes to ensure they operate at manufacturer-specified performance levels.
Trifecta Networks, a trusted IT partner specializing in pre-owned and refurbished networking equipment, offers certified pre-owned N9K-C92160YC-X switches backed by an Advanced Replacement Lifetime Warranty — providing enterprise-grade hardware protection without the premium cost of new-unit procurement. Organizations seeking to understand the financial and operational merits of pre-owned Cisco hardware can review the detailed analysis in used vs. new Cisco hardware and explore five reasons to buy pre-owned Cisco IT equipment.
For hardware lifecycle management, teams can also leverage Trifecta’s Tri-Net third-party maintenance solution as an alternative to OEM support contracts, extending the operational life of the N9K-C92160YC-X without mandating vendor-driven refresh cycles. Learn more about Tri-Net third-party maintenance to evaluate how it compares to standard OEM maintenance agreements.
CPO units deliver full NX-OS functionality identical to new-unit deployments
Advanced Replacement Lifetime Warranty provides enterprise-class hardware protection
Tri-Net third-party maintenance extends operational support beyond OEM timelines
ITAD services enable responsible disposition of displaced hardware assets
For procurement teams evaluating total cost of ownership and sustainable IT practices, the articles on maximizing ROI with Cisco used hardware and maintenance solutions and sustainability goals with used Cisco provide evidence-based frameworks for CPO hardware strategy. Additional perspectives on hardware cost trends are available through IT hardware price surge analysis for 2026 — context that reinforces the value proposition of certified pre-owned sourcing for platforms like the N9K-C92160YC-X.
Conclusion
The Cisco N9K-C92160YC-X is a technically mature, high-performance data center switch that delivers the port density, forwarding throughput, and programmability required for modern enterprise, service provider, and cloud computing deployments. Its 48-port 25G SFP28 downlink configuration, 6-port QSFP28 uplink array, 3.2 Tbps non-blocking switching capacity, and native Tetration telemetry support make it a highly capable leaf-layer platform for leaf-spine fabric architectures in 2026 and beyond.
For organizations seeking to deploy or expand Nexus 9200-class infrastructure cost-effectively, sourcing certified pre-owned N9K-C92160YC-X hardware through a qualified IT partner — paired with Tri-Net third-party maintenance — represents a strategically sound approach to balancing performance requirements against capital expenditure constraints. To explore available inventory and configure a solution tailored to your infrastructure requirements, check out our current Cisco certified pre-owned specials and take the next step toward a high-performance, cost-optimized data center network.
FAQs
Q: What are the port configurations on the Cisco N9K-C92160YC-X?
A: The N9K-C92160YC-X features 48 SFP28 downlink ports configurable at 1, 10, or 25 Gbps, 4 QSFP28 ports operating at 100 Gbps, 2 QSFP ports at 40 Gbps, and 1 RJ-45 1000BASE-T management port — totaling 55 network interfaces in a 1RU form factor.
Q: What is the total switching bandwidth of the Cisco Nexus 92160YC-X?
A: The N9K-C92160YC-X delivers 3.2 Terabits per second (Tbps) of non-blocking switching bandwidth, with a forwarding rate exceeding 2.5 billion packets per second (bpps) across all ports at line rate.
Q: Does the N9K-C92160YC-X support Cisco Tetration Analytics telemetry?
A: Yes, the N9K-C92160YC-X natively supports Cisco Tetration Analytics telemetry collection at line rate across all ports, with a default ASIC telemetry export interval of 100 milliseconds and no measurable impact on forwarding latency.
Q: What routing and switching scalability parameters does the 92160YC-X support?
A: The switch supports up to 4,096 VLANs, a 96,000-entry MAC address table, 16,000 IPv4 routes, and 64-way Equal-Cost Multipathing (ECMP), providing the scalability required for large enterprise and multi-tenant data center environments.
Q: Is the Cisco N9K-C92160YC-X available as certified pre-owned hardware?
A: Yes, the N9K-C92160YC-X is available as certified pre-owned hardware through qualified IT partners such as Trifecta Networks, offering full NX-OS functionality, an Advanced Replacement Lifetime Warranty, and compatibility with Tri-Net third-party maintenance support as a cost-effective alternative to new-unit procurement.