Brand: Cisco · SKU: WS-C4503 · MPN: WS-C4503 · Category: Networking
The Cisco Catalyst 4503 is a modular 3-slot chassis belonging to the Catalyst 4500 Series. Designed for enterprise-level networks, the WS-C4503 provides a high-performance, scalable, and reliable foundation for converged voice, video, and data networks. It features a centralized architecture with a dedicated slot for a supervisor engine and two slots for line cards, supporting up to 100 ports of connectivity. The chassis includes an integrated fan tray for efficient cooling and supports redundant power supply configurations to ensure maximum uptime. Ideal for wiring closets, branch offices, and distribution layers, it delivers non-blocking Layer 2-4 switching with intelligent network services such as advanced QoS, security, and high availability.
| Manageable | Yes (SNMP, MIB, CLI) |
|---|---|
| Rack Height | 7 RU |
| Flash Memory | 64 MB |
| Chassis Slots | 3 (1 Supervisor, 2 Line Card slots) |
| Power Redundancy | 1+1 Support |
| Memory (Standard) | 256 MB DRAM |
| Switching Capacity | Up to 64 Gbps (with Supervisor Engine 720) |
| Forwarding Performance | 24 Mpps |
| Warranty | 90-Day Limited Warranty (Refurbished) / 1-Year Limited (New) |
| Weight | 32.25 lbs (14.63 kg) |
| Dimensions | 12.25 x 17.31 x 12.50 inches (31.12 x 43.97 x 31.75 cm) |
A versatile 3-slot modular switch chassis for enterprise and service provider networks requiring a compact yet powerful core or distribution layer solution.
Yes, this Cisco Catalyst 4503 Switch Chassis (WS-C4503) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco Catalyst 4503 Switch Chassis includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the WS-C4503.