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3-slot Catalyst 4500 chassis offers reliable performance with professional-grade build quality.
WS-C4503
Cisco switch 4500 Chassis (3-Slot),fan, no p/s
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Name:
WS-C4503
- Description:
- Cisco switch 4500 Chassis (3-Slot),fan, no p/s
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818254518475
- Condition:
- Warranty:
- 3
- List Price:
$995.00
- Price:
$479.0051.9% off
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1
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WS-C4503 Overview
WS-C4503 is a high-performance switch built on a robust and scalable architecture designed for enterprise networks. It features versatile power options including redundant power supply capabilities and offers a variety of port configurations that cater to both copper and fiber connections. The switch’s design supports advanced stacking technology that enhances scalability and simplifies network management without compromising performance.
WS-C4503 delivers reliable switching performance with optimized throughput and low latency for mission-critical applications. Its efficient port design and expansion possibilities make it ideal for campus networks, data centers, and branch offices, ensuring seamless integration and future-proofing while addressing demanding connectivity and redundancy requirements.
WS-C4503 price is $479.00, a 51.9% saving from the Cisco list price of $995.00. WS-C4503 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C4503 for additional pricing. Browse the full Catalyst 4500 Switches series or explore all Cisco products.
WS-C4503 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
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- WS-C4503
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 x 10/100/1000 Ethernet ports, 4 x 1G SFP uplink ports
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- Cisco Catalyst WS-C4503 Switching Platform
- Height
- 1.75 inches
- Width
- 19 inches
- Depth
- 18 inches
- Weight
- 22 lbs
WS-C4503 Use Case
Enterprise Campus Core Aggregation with WS-C4503-Cisco switch 4500 Chassis (3-Slot), fan, no p/s
In a multinational corporation’s campus network, the WS-C4503-Cisco switch 4500 Chassis (3-Slot), fan, no p/s serves as the core aggregator for 10GbE uplinks from multiple distribution switches. By deploying redundant Supervisor Engine modules and EtherChannel across workgroup uplinks, IT teams achieve sub-millisecond failover and ultra-low latency. Benefit: Delivers high availability, future-proof scalability, and simplified centralized management for mission-critical applications.
Data Center Leaf Access for Virtualized Server Farms
A retail data center integrates the WS-C4503-Cisco switch 4500 Chassis (3-Slot), fan, no p/s as a leaf switch to connect hypervisor clusters and SAN gateways. With modular line cards supporting 40GbE and advanced QoS profiles, the chassis handles east-west VM traffic surges and low-latency storage replication. Benefit: Ensures predictable performance for virtualization, on-the-fly bandwidth allocation, and non-disruptive upgrades, maximizing server consolidation ROI.
Service Provider Edge Aggregation for Metro Ethernet
A regional service provider deploys the WS-C4503-Cisco switch 4500 Chassis (3-Slot), fan, no p/s at PoP sites to aggregate customer CPE circuits over Metro Ethernet. Leveraging Cisco IOS MPLS L2VPN and hierarchical QoS, the platform enforces SLA-driven policing and rapid convergence on fiber failures. Benefit: Provides deterministic bandwidth guarantees, scalable port density, and carrier-grade reliability to meet stringent SLAs and lower OPEX.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 WS-C4503 |  WS-C4507R-E |  WS-C4503-E |  WS-C4500X-24X-IPB |  WS-C4510R+E | |
|---|---|---|---|---|---|
| Depth | 18 inches | 27 inches | 14 inches | 17.5 inches | 22.5 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 64 MB | 256 MB | 64 MB |
| Form Factor | Rack-mount | Desktop / Rack-mount / Chassis / N/A | Rack-mount | Rack-mount | Chassis |
| Height | 1.75 inches | 1.75 inches | 3.5 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Base | IP Services | IP Services | IP Base | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C4503 | WS-C4507R-E | WS-C4503-E | WS-C4500X-24X-IPB | WS-C4510R+E |
| Media Type Supported | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Fiber | Combo |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | N/A | 24 Ports | 24 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | Over 48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 24 x 10/100/1000 Ethernet ports, 4 x 1G SFP uplink ports | 7-slot chassis for line cards and supervisor modules | 3 modular slots | N/A | N/A |
| Power Consumption | N/A | N/A | 200W | 365 W | N/A |
| Power Source | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply / N/A | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply / N/A |
| Product Name | Cisco Catalyst WS-C4503 Switching Platform | Cisco Catalyst 4507R Chassis Switch - Enhanced | Cisco Catalyst WS-C4503-E Switch | Cisco Catalyst 4500-X 24X-IPB | Cisco Catalyst 4510R+E Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 2 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | No | Yes |
| SFP Ports | 4 SFP Ports | Combo | 4 SFP Ports | 24 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 80 Gbps | 56 Gbps | 480 Gbps | N/A |
| Switching Capacity with Stacking | 256 Gbps | N/A | 112 Gbps | N/A | N/A |
| Uplink Configuration | 1G | 1G / 10G / 40G | 1G / 10G | 10G | 10G |
| Weight | 22 lbs | 60 lbs | 35 lbs | 32 lbs | N/A |
| Width | 19 inches | 19 inches | 17.5 inches | 19 inches | 17.0 inches |
Reviews & Ratings
V
Vivian Lane
4
Easy to integrate into existing networks with minimal downtime.
W
Wesley Barrett
5
Durable chassis providing consistent throughput for mid-sized deployments.
X
Xander Kane
4
Professional solution with solid performance and easy management.
Y
Yasmin Frost
4
Reliable and efficient for small to medium enterprise backbone links.
Questions & Answers
What is the Cisco WS-C4503 chassis?
The Cisco WS-C4503 is a three-slot modular switch chassis designed for enterprise campus and branch deployments, providing high availability and flexible module support.
How many line-card slots does the WS-C4503 support?
The WS-C4503 chassis supports three slots for Cisco Catalyst or Supervisor Engine modules, enabling scalable port density and performance.
Does the WS-C4503 include power supplies?
No, the WS-C4503 is sold without power supplies; you must purchase compatible AC or DC power supplies separately to power the chassis.
What fan components are included with the WS-C4503?
The WS-C4503 chassis ships with an integrated fan assembly to ensure optimal cooling for installed modules under full load.
Which supervisor engines are compatible with the WS-C4503?
The WS-C4503 supports Supervisor Engine 720 and Supervisor Engine 720-3BXL, providing advanced Layer 2/3 services, QoS, and enhanced security.
What is the maximum switching capacity of the WS-C4503?
With Supervisor Engine 720, the WS-C4503 delivers up to 64 Gbps of system bandwidth and 24 Mpps of forwarding performance.
Can I install Power over Ethernet (PoE) line cards in the WS-C4503?
Yes, the WS-C4503 chassis supports PoE and PoE+ line cards, allowing centralized power delivery to endpoint devices.
How do I select a power supply for the WS-C4503?
Choose between Cisco RPS, 650 W AC, or 1500 W AC power supplies based on redundancy, power budget, and site requirements.
What warranty covers the Cisco WS-C4503 chassis?
The WS-C4503 includes a limited lifetime warranty covering defects in materials and workmanship, alongside Cisco’s next-business-day replacement service.
Is the WS-C4503 compatible with Cisco EnergyWise?
Yes, when paired with a supported Supervisor Engine, the WS-C4503 supports Cisco EnergyWise for network-wide power management and monitoring.
How do I upgrade the WS-C4503 firmware?
Upgrade the WS-C4503 firmware via the Supervisor Engine’s IOS Software image using USB, TFTP, or Cisco Network Assistant for automated deployment.
What management interfaces are available on the WS-C4503?
The WS-C4503 supports console, Telnet, SSH, SNMP, and optional out-of-band management via an external management module.
Can the WS-C4503 chassis be rack-mounted?
Yes, the WS-C4503 is designed for standard 19-inch racks and includes mounting brackets for 1U or 2U installations.
What environmental specifications apply to the WS-C4503?
The WS-C4503 operates in 0–45°C ambient temperature, with 10–90% non-condensing humidity, meeting NEBS Level 3 and FCC emissions standards.
How do I achieve redundancy in the WS-C4503?
Implement dual power supplies and Supervisor Engine redundancy in the WS-C4503 to ensure uninterrupted operation during component failures.
Where can I purchase genuine Cisco WS-C4503 chassis and accessories?
Purchase genuine WS-C4503 chassis and accessories through Cisco’s authorized partners, resellers, or the Cisco online store for warranty and support coverage.