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WS-C6503-E
Catalyst 6500 Enhanced 3-slot chassis, 4RU, no PS, no Fan Tr...
Trusted by the Highest-Stakes Buyers
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
WS-C6503-E is a modular, high-performance chassis switch from Cisco’s Catalyst 6500 series, built with a robust architecture that allows organizations to deploy diverse interface modules while maintaining exceptional throughput and reliability. Designed to support both Layer 2 and Layer 3 protocols, it offers flexible power options including redundant power supplies and AC power configurations, ensuring continuous operation in demanding network environments.
WS-C6503-E features versatile port configurations that support 10/100/1000 Ethernet connections along with optional fiber and combo media interfaces. Its scalable chassis design enables the integration of multiple expansion slots and uplink modules, delivering high aggregation bandwidth and performance for enterprise data centers, campus networks, and service provider environments.
WS-C6503-E price for new stock is $1,286.25, a 75.8% saving from the Cisco list price of $5,311.00. WS-C6503-E refurb price is $3,321.15. WS-C6503-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C6503-E for additional pricing. Browse the full Cisco 6500 Catalyst Switches series or explore all Cisco products.
Scenario: A large enterprise campus deploys the WS-C6503-E Catalyst 6500 Enhanced 3-slot chassis (4RU, no PS, no Fan Tray) with Supervisor Engine 2T and multi-rate line cards as the core aggregation switch. This modular platform delivers up to 720 Gbps of non-blocking throughput and hot-swappable expansion. Benefit: Simplified network scaling, high availability and reduced operational complexity in a compact chassis.
Scenario: A regional service provider uses the WS-C6503-E chassis for edge routing in a metro POP, pairing an MPLS-enabled Supervisor Engine SE2 with high-density line cards to aggregate up to 96 customer circuits. The 4RU chassis supports hot-swappable power and cooling modules for pay-as-you-grow deployment. Benefit: Scalable port density, carrier-grade QoS enforcement and seamless multi-tenant service roll-out on a single platform.
Scenario: In a virtualized data center, two WS-C6503-E chassis operate in Virtual Switching System (VSS) mode to form one logical Catalyst 6500 Enhanced switch, enabling active-active redundancy and dynamic workload mobility. Benefit: Zero-loss failover, optimized bandwidth utilization and streamlined maintenance within a resilient, compact 4RU footprint.
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| WS-C6503-E |  VS-C6513-S720-10G |  VS-C6504E-S720-10G |  WS-C6504-E |  VS-C6509E-S720-10G | |
|---|---|---|---|---|---|
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 64 MB | 256 MB |
| Form Factor | Chassis | Rack-mount | Rack-mount | Chassis | Chassis |
| IOS | IP Services | LAN Base | IP Services | IP Services | 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-C6503-E | VS-C6513-S720-10G | VS-C6504E-S720-10G | WS-C6504-E | VS-C6509E-S720-10G |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Fiber / Combo |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24–48 Ports | 48 Ports | 48 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | Over 48 Ports | Over 48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | Modular expansion slots supporting a mix of interfaces and services | 48 Ethernet ports, 4 SFP uplink ports | 24 x 10/100/1000 ports, 4 x 10G SFP+ uplink ports | 4 chassis slots for modular expansion | 9 module slots with support for 10G uplinks |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Cisco Catalyst 6503-E Chassis Switch | VS-C6513-S720-10G High-Performance Rack Switch | VS-C6504E-S720-10G Ethernet Switch | Cisco Catalyst 6504-E Switch Engine | Cisco Catalyst VS-C6509E-S720-10G |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 4 RU | 1 RU | 1 RU | 1 RU | 4 RU |
| Redundant Power Supply Supported | Yes | Yes | Yes | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Uplink Configuration | 1G / 10G | 10G | 10G | 1G / 10G | 10G |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 27 November 2023
Small form factor chassis for access roles.
Reviewed on the 29 October 2017
Reliable and easy to manage.
Reviewed on the 8 September 2021
Good for limited space.
Reviewed on the 20 August 2024
Stable operation.
Reviewed on the 18 May 2019
Solid Cisco hardware.
United States
