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High-density 10G switch with advanced routing.
C9500-40X-A
CATALYST 9500 40PORT 10GIG SWITCH NTWK ADV LICS REQUIRED
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C9500-40X-A
CATALYST 9500 40PORT 10GIG SWITCH NTWK ADV LICS REQUIRED
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C9500-40X-A is a high-performance, enterprise-grade switch that features a modern modular architecture running on IOS XE, designed to support scalable routing and switching in campus and core network environments. It offers flexible power options with redundant power supply support, a rich array of 40 fixed 10-Gigabit Ethernet downlink ports complemented by 4 high-speed 40-Gigabit uplink ports, and integrated stacking capabilities for increased bandwidth and resiliency.
Built for demanding applications, the C9500-40X-A delivers exceptional performance and low latency required for mission-critical deployments while ensuring ease of management and rapid scalability. Its use cases range from campus core aggregation and data center interconnect to high-density access layers in environments that require advanced security, automation, and robust network policies.
C9500-40X-A price is $4,269.00, a 88.2% saving from the Cisco list price of $36,232.00. C9500-40X-A is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9500-40X-A for additional pricing. Browse the full Cisco Catalyst 9500 Series Switches series or explore all Cisco products.
In multi-tenant data centers, network architects deploy the C9500-40X-A Catalyst 9500 40-port 10G switch with Network Advantage (NTWK ADV LICS) to implement a scalable spine-leaf fabric using EVPN-VXLAN and Segment Routing. The advanced licensing unlocks sub-millisecond latency, 10G bandwidth aggregation, and built-in telemetry—enabling 99.999% uptime, simplified multi-cloud connectivity and deterministic performance for East-West traffic.
A global financial institution leverages the C9500-40X-A Catalyst 9500 40-port 10G switch with Network Advantage license at the campus distribution layer to enforce zero-trust access via Cisco TrustSec, IEEE 802.1X and encrypted traffic analytics. This secure, policy-driven architecture automates threat containment, isolates ransomware outbreaks and ensures regulatory compliance—while preserving consistent 10G connectivity and granular visibility.
Life sciences R&D centers implement the C9500-40X-A Catalyst 9500 40-port 10G switch with NTWK ADV LICS to deliver converged data, voice and video over a single high-performance fabric. Advanced QoS, real-time network analytics and micro-segmentation optimize large-scale data transfers to HPC clusters and IoT sensor arrays—accelerating research cycles, ensuring low-latency collaboration and providing end-to-end operational insight.
To get the detailed certification, please go to the Compliance Center.
 C9500-40X-A |  C9500-40X-2Q-A |  C9500-16X-E |  C9500-24Y4C-A |  C9500-40X-2Q-E | |
|---|---|---|---|---|---|
| Depth | 18.5 inches | 19.7 inches | 12.36 inches | 18.1 inches | 18.9 inches |
| Ethernet Technology | 10/100/1000 | 10G/25G | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10G/25G | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | C9500-40X-A | C9500-40X-2Q-A | C9500-16X-E | C9500-24Y4C-A | C9500-40X-2Q-E |
| Media Type Supported | Fiber | Fiber | Fiber | Fiber | Fiber |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB | 4 GB |
| Number of Downlink Ports | 40 Ports | 40 Ports | 16 Ports | N/A | 40 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 40x 10G SFP+ downlink ports and 4x 40G QSFP+ uplink ports | 40 fixed 10G/25G SFP+ ports, 2 fixed 40G QSFP-DD uplink ports | N/A | 24 x 10G ports, 4 x 40G uplink ports | 40 fixed 10/25 Gigabit Ethernet ports and 2 40-Gigabit QSFP uplink ports |
| Power Consumption | N/A | 350 W | 370 W | 350W | 525W |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 9500-40X-A | Cisco Catalyst 9500-40X-2Q-A | Cisco Catalyst 9500-16X-E | Cisco Catalyst 9500-24Y4C-A | Cisco Catalyst 9500-40X-2Q-E |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | N/A | 40 10G/25G SFP+ Ports | N/A | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 1120 Gbps | 2.88 Tbps | 480 Gbps | 6400 Gbps | 6400 Gbps |
| Switching Capacity with Stacking | 2240 Gbps | N/A | N/A | 480 Gbps | N/A |
| Uplink Configuration | 40G | 40G | 10G | 40G | 40G |
| Weight | 29 lbs | 34 lbs | 23 lbs | 21 lbs | 16.5 lbs |
| Width | 17.5 inches | 17.5 inches | 17.52 inches | 17.5 inches | 17.5 inches |
High-density 10G switch with advanced routing.
Network Advantage adds flexibility.
Very stable in production.
Clean configuration experience.
Strong enterprise performance.
The Cisco Catalyst 9500-40X-A is a high-performance enterprise core and aggregation switch featuring 40 fixed 10-Gigabit Ethernet ports, industry-leading throughput, and support for Cisco DNA networking with advanced licensing.
The C9500-40X-A provides 40 fixed 10-Gigabit Ethernet ports, delivering line-rate performance for high-bandwidth enterprise and data center applications.
It delivers up to 1.44 Tbps of switching capacity and up to 720 million packets per second (mpps) of forwarding performance at full line rate.
Yes, the C9500-40X-A requires a Cisco DNA Network Advantage license to unlock advanced networking, security, and automation features; a Network Essentials license covers basic Layer 2/Layer 3 functionality.