C9500-24Y4C-A – 24×1/10/25G SFP28 Ports – 4×40/100G QSFP28 – Network Advantage
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C9500-24Y4C-A Description
C9500-24Y4C-A is a Cisco Catalyst 9500 high-performance enterprise core and aggregation switch designed for organizations moving from traditional 10G networks to modern 25G access and 100G backbone architectures.
With 24 multi-rate SFP28 ports supporting 1G / 10G / 25G and 4 native 40G / 100G QSFP28 uplinks, this model is frequently selected for campus core refresh, collapsed-core designs, high-density aggregation, and future-ready enterprise networks where bandwidth growth is expected.
For buyers comparing long-term ROI, C9500-24Y4C-A is often a smarter investment than 10G-only platforms because it supports existing optics today while preserving a migration path to faster network speeds
Product Performance
Quick Specs
|
Parameter |
Specification |
|---|---|
|
Product SKU |
C9500-24Y4C-A |
|
Product Series |
Catalyst 9500 High Performance |
|
License Tier |
Network Advantage |
|
Front Ports |
24 × 1/10/25G SFP28 |
|
Uplink Ports |
4 × 40/100G QSFP28 |
|
Switching Capacity |
Up to 2.0 Tbps |
|
Forwarding Rate |
Up to 1 Bpps |
|
ASIC |
Cisco UADP 3.0 |
|
DRAM |
16 GB |
|
Flash |
16 GB |
|
Rack Size |
1RU |
Key Features
Many enterprises still run 10G uplinks today, but future traffic growth often demands 25G and 100G. This switch helps avoid another hardware refresh too soon.
Supports MPLS L3VPN, VRF-Lite, EVPN, and Segment Routing for scalable multi-tenant or hybrid-cloud deployments.
Enables active-active redundancy and seamless stateful failover with SSO/ISSU for continuous operation.
Incorporates Secure Boot, Trust Anchor Module, and 256-bit MACsec encryption for full data-plane protection.
Offers hardware-based telemetry, QoS, and ACL handling with flexibility for automation and SDN integration.
Compact 1RU chassis with dual PSUs and FRU fan trays ensures serviceability and reduced downtime in enterprise cores.
Application Scenarios
Aggregates multiple 25G access layers into 100G redundant backbones.
Serves as a high-performance leaf or border switch in 25G/100G VXLAN or EVPN deployments.
Provides carrier-grade routing and encryption for multi-tenant, latency-sensitive applications.
Product Comparison
|
Parameter |
C9500-24Y4C-A | ||
|---|---|---|---|
|
Downlink Ports |
24 × 1/10/25G SFP28 |
24 × 1/10/25G SFP28 |
48 × 1/10/25G SFP28 |
|
Uplink Ports |
4 × 40/100G QSFP28 |
4 × 40/100G QSFP28 |
4 × 40/100G QSFP28 |
|
ASIC |
UADP 3.0 |
UADP 3.0 |
UADP 3.0 |
|
Switching Capacity |
2 Tbps |
2 Tbps |
3.2 Tbps |
|
Forwarding Rate |
1 Bpps |
1 Bpps |
1 Bpps |
|
License Tier |
Network Advantage |
Network Essentials |
Network Advantage |
|
Advanced Routing |
MPLS, EVPN, VRF-Lite, SR |
Basic IPv4/IPv6 |
MPLS, EVPN, SR |
|
StackWise Virtual |
Supported |
Supported |
Supported |
|
Security |
MACsec-256, Trust Anchor |
MACsec-256, Trust Anchor |
MACsec-256 |
|
Power Supply |
Dual 650W AC |
Dual 650W AC |
Dual 650W AC |
|
Dimensions |
1.73 × 17.5 × 18.0 in |
1.73 × 17.5 × 18.0 in |
1.73 × 17.5 × 18.0 in |
|
Weight |
9.52 kg |
9.52 kg |
9.96 kg |
Selection Guide
1. Choose C9500-24Y4C-A for 5-year planning
If bandwidth demand will grow, this model usually protects investment better than 10G-only switches.
2. Choose C9500-24Y4C-E if features matter less than budget
Same hardware platform, but lower software tier.
3. Choose C9500-16X-A only for stable 10G environments
If no 25G/100G roadmap exists, 16X-A can still be practical.
4. Choose C9500-48Y4C-A when 24 ports are already insufficient
If many server or aggregation links are required now, start larger.
C9500-24Y4C-A Switch Front Panel
|
1 |
24 1G/10G/25G SFP28 ports |
5 |
USB mini Type B console port |
|
2 |
Uplink ports |
6 |
RFID (Optional) |
|
3 |
Ethernet management port |
7 |
Console port (RJ-45 Serial) |
|
4 |
Reset button |
8 |
USB 3.0 host port |
C9500-24Y4C-A Switch Rear Panel
The switch rear panel includes StackWise connectors, StackPower or XPS connectors, ports, fan modules, and power supply modules.
Components Delivered in the Shipping Box
The shipping box contains the model of the switch you ordered and other components needed for installation. Some components are optional, depending on your order.
Specifications
| Parameter | Details | Parameter | Details |
|---|---|---|---|
| Product SKU | C9500-24Y4C-A | Description | 24-port 1/10/25G SFP28 switch with 4 x 40/100G QSFP28, Network Advantage |
| Series | Catalyst 9500 High Performance | License Tier | Network Advantage |
| Front Ports | 24 × 1/10/25G SFP28 | Uplink Ports | 4 × 40/100G QSFP28 |
| Switching Capacity | Up to 2.0 Tbps | Forwarding Rate | Up to 1 Bpps |
| ASIC | Cisco UADP 3.0 | CPU | x86 CPU |
| DRAM | 16 GB | Flash | 16 GB |
| MAC Address Table | Up to 82,000 | VLAN IDs | 4094 |
| Total SVIs | 4000 | Jumbo Frame | 9198 Bytes |
| Rack Units | 1RU | Dimensions | 1.73 × 17.5 × 18.0 in |
| Weight | 20.99 lb (9.52 kg) | Input Voltage | 90 to 264 VAC |
| Operating Temperature | 32°F to 104°F (0°C to 40°C) | Storage Temperature | -4°F to 149°F (-20°C to 65°C) |
| Humidity | 5% to 95% non-condensing | High Availability | StackWise Virtual Supported |
| Power Supply | C9K-PWR-650WAC-R / C9K-PWR-930WDC-R | Fan Tray | Hot-swappable |
| Management | CLI / Web UI / SNMP / API / Catalyst Center | Warranty | Enhanced Limited Lifetime Warranty |
| Compliance | UL, CE, FCC Class A, RoHS | Minimum Software | Cisco IOS XE 16.8.1 or later |
Get More Information
Need pricing, stock, or shipping details for the C9500-24Y4C-A ? Layer23-Switch can help you check current availability, lead time, and delivery options for this. Send us the part number, quantity, and destination country via live chat or email sales@layer23-switch.com for a fast quotation.
Quality Certifications
Customer Reviews
Questions & Answers
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What is Cisco C9500-24Y4C-A designed for?
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How is C9500-24Y4C-A different from C9500-24Y4C-E?
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Can C9500-24Y4C-A run 1G, 10G, and 25G on the same switch?
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How is C9500-24Y4C-A different from C9500-32C-A?
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Does C9500-24Y4C-A have modular uplinks?
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Can C9500-24Y4C-A be used in a StackWise Virtual pair?
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What should be checked before ordering C9500-24Y4C-A?
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When should I choose C9500-48Y4C-A instead?
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