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WS-C4503
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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:
Ready to Ship
- Brand:
- Cisco
- GTIN:
- 818254518475
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$995.00
- Price:
$479.0051.9% off
Quantity:
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
- Brand
- Cisco
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- 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.
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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 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 |
| 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 |
| Uplink Configuration | 1G | 1G / 10G / 40G | 1G / 10G | 10G | 10G |
| Width | 19 inches | 19 inches | 17.5 inches | 19 inches | 17.0 inches |
Compliance & Warranty
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
U
Umar Rhodes
5
3-slot Catalyst 4500 chassis offers reliable performance with professional-grade build quality.
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.