WS-C6503-E Catalyst 6500 Enhanced 3-slot chassis 4RU Overview
WS-C6503-E Catalyst 6500 Enhanced 3-slot chassis 4RU is a genuine core and distribution switching product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco family, the WS-C6503-E unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is positioned for campus core and distribution roles, aggregating traffic for large user populations with resilient failover behavior.
This unit follows the original factory specification for the Cisco family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Catalyst 6500 Enhanced 3-slot chassis, 4RU, no PS, no Fan Tray”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the WS-C6503-E. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned WS-C6503-E
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
WS-6503-E Specification | |
Number of Slots | 3 |
Supervisor Compatibility | Cisco Catalyst 6500 Series Supervisor Engine 32 Cisco Catalyst 6500 Series Supervisor Engine 720-3B Cisco Catalyst 6500 Series Supervisor Engine 720-3BXL Cisco Catalyst 6500 Series Supervisor Engine 720-10G-3C Cisco Catalyst 6500 Series Supervisor Engine 720-10G-3CXL Cisco Catalyst 6500 Series Supervisor Engine 2T |
Power Supply Compatibility * Indicates EoS Power Supply | AC: 1400W, 950W* DC: 950W* |
Module Compatibility | All modules based on the software release in the system |
With Supervisor Engine 32 |
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With Supervisor Engine 720 |
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With Supervisor Engine 720-10 GE |
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With Supervisor Engine 2T-10 GE |
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Reliability and Availability Calculated Mean Time Between Failure (MTBF) | 860,868 |
Rack Units (RU) | 4 |
Chassis Only (lbs) | 33 |
Fully Configured (lbs) | 85.4 |
| Centimeters | 17.8 x 44.1 x 55.2 |
| Inches | 7 x 17.37 x 21.75 |
Input Voltage | 100 to 240 VAC -48 to -60 VDC |
Operating Temperature | 32°F to 104°F (0 to 40°C) |
Storage Temperature | -4 to 149°F (-20 to 65°C) |
WS-C6503-E - Deployment Notes
This WS-C6503-E switch is suited to wiring-closet, distribution, or core roles depending on the port density and uplink options of the specific model. The port configuration is a key consideration when planning power budgets for attached devices such as IP phones and access points.
For a refresh or expansion, confirm the IOS/NX-OS software release supported by this specific SKU, the fan and power requirements, and the uplink modules that match your existing infrastructure. Our team can verify revision levels and software compatibility before you order.
Every unit at LinkNewNet is inspected and tested before dispatch, and this WS-C6503-E variant is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Volume requirements can be staged with configuration checks.
