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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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Name:
C9500-40X-A
- Description:
- CATALYST 9500 40PORT 10GIG SWITCH NTWK ADV LICS REQUIRED
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- Brand:
- Cisco
- Condition:
- Warranty:
- 3
- List Price:
$36,232.00
- Price:
$4,269.0088.2% off
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C9500-40X-A Overview
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.
C9500-40X-A Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 40 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- C9500-40X-A
- Uplink Configuration
- 40G
- IOS
- IP Services
- POE Support
- Non POE
- SFP Ports
- N/A
- Memory
- 4 GB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 40x 10G SFP+ downlink ports and 4x 40G QSFP+ uplink ports
- Flash Memory
- 256 MB
- Switching Capacity
- 1120 Gbps
- Switching Capacity with Stacking
- 2240 Gbps
- Product Name
- Cisco Catalyst 9500-40X-A
- Height
- 1.73 inches
- Width
- 17.5 inches
- Depth
- 18.5 inches
- Weight
- 29 lbs
C9500-40X-A Use Case
High-Density Data Center Core Switching with C9500-40X-A Catalyst 9500 40-Port 10G Switch
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.
Zero-Trust Campus Distribution Using Catalyst 9500 40-Port 10G Switch with NTWK ADV LICS
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.
Unified Converged Access for R&D Facilities on Catalyst 9500-40X-A 40-Port 10G Switch
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 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 |
Reviews & Ratings
B
Brian Ochoa
4
Network Advantage adds flexibility.
K
Kevin Howard
5
Very stable in production.
J
Jason Miller
5
Clean configuration experience.
E
Eric Adams
4
Strong enterprise performance.
Questions & Answers
What is the Cisco Catalyst 9500 40-Port 10 Gigabit Switch (C9500-40X-A)?
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.
How many 10G ports does the C9500-40X-A offer?
The C9500-40X-A provides 40 fixed 10-Gigabit Ethernet ports, delivering line-rate performance for high-bandwidth enterprise and data center applications.
What switching capacity and forwarding performance does the C9500-40X-A deliver?
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.
Does the C9500-40X-A require additional licenses?
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.
What advanced features does the Network Advantage license enable on the C9500-40X-A?
The Network Advantage license unlocks advanced routing protocols (BGP, OSPF, EVPN-VXLAN), policy-based segmentation, telemetry, QoS, and enhanced security services.
What power supply options are available for the C9500-40X-A?
The C9500-40X-A supports dual hot-swappable AC or DC power supply modules, with optional 750W or 1100W units for high availability and power redundancy.
Can the C9500-40X-A support redundant power supplies?
Yes, the C9500-40X-A features dual hot-swappable redundant power supply slots, ensuring uninterrupted operation during maintenance or module failures.
What stacking and high-availability features does the C9500-40X-A offer?
It supports Cisco StackWise Virtual for active-active high availability and simplified management, enabling two switches to act as a single logical chassis with up to 100Gbps VSL bandwidth.
Which software image does the C9500-40X-A run?
It runs Cisco IOS XE, a modular, programmable, and secure network OS with support for open APIs such as NETCONF, RESTCONF, and gRPC for automation.
What are the primary use cases for the C9500-40X-A?
The C9500-40X-A is ideal for enterprise core/aggregation, campus distribution, data center leaf-switching, and high-density access layer deployments requiring advanced security and segmentation.
Is the C9500-40X-A compliant with IPv6?
Yes, the C9500-40X-A supports full IPv6 routing, dual-stack IPv4/IPv6, and IPv6 security features across all licensed feature sets.
What security features are integrated into the C9500-40X-A?
It includes Cisco TrustSec for identity-based segmentation, MACsec for link-layer encryption, uRPF, ACLs, encrypted NAT, and real-time threat detection with Cisco DNA Center analytics.
What are the physical dimensions and weight of the C9500-40X-A?
The unit measures 1.73 in. H x 17.5 in. W x 21.14 in. D (44 × 445 × 537 mm) and weighs approximately 22.5 lb (10.2 kg) without power supplies.
What are the warranty and support options for the C9500-40X-A?
It ships with a limited lifetime hardware warranty and 90-day software warranty. Cisco SMARTnet or Cisco DNA subscriptions are recommended for extended hardware support and software updates.
What environmental conditions are recommended for deploying the C9500-40X-A?
Operate between 0°C to 40°C (32°F to 104°F) with 10%–90% non-condensing humidity, proper rack ventilation, and compliance with data center airflow standards.
How do I configure the C9500-40X-A for high availability?
Use Cisco StackWise Virtual to pair two C9500-40X-A switches as a single logical chassis, configure the Virtual Switch Link (VSL), and enable stateful switchover for zero-downtime failover.