cisco Catalyst 6500 Catalyst 6504-E
The Cisco Catalyst 6504-E is a 4-slot modular chassis providing high-performance Layer 2 through 4 switching in a compact 5U rack form factor. Featuring side-to-side airflow, redundant supervisor engine slots, and support for Supervisor 2T and 720 architectures, the 6504-E serves as a resilient distribution and core routing platform for distributed commercial enterprises.
Specifications
| Brand | cisco |
|---|---|
| Family | Catalyst 6500 |
| Form factor | modular chassis |
| Released | Mar 2006 |
| End of sale | Oct 2017 |
| End of support | Oct 2022 |
| Chassis slots | 4 |
| Supervisor slots | Slots 1 and 2 (redundant supervisor support) |
| Line card slots | 2 payload line card slots (Slots 3 and 4) |
| Chassis height | 5U rack mount |
| Airflow | Side-to-side airflow with high-output fan tray |
| High availability | Nonstop Forwarding (NSF) with Stateful Switchover (SSO) |
Generations
- Next generation: cisco Catalyst 9600 Catalyst 9606R
Check compatibility with Cisco
Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that Cisco has tested with the cisco Catalyst 6500 Catalyst 6504-E.
- Compatibility Cisco UCS Hardware Compatibility List
- Compatibility Cisco Optics-to-Device Compatibility Matrix
- Support Cisco Support and Downloads
Equivalent models from other brands
FAQ
What is the advantage of the 6504-E over the 6503-E?
The 6504-E supports dual redundant supervisor engines with SSO, providing hardware supervisor failover in a compact chassis.
Does the 6504-E support 10GbE line cards?
Yes, 6700-series and 6800-series 10GbE SFP+ modules are fully supported in payload slots.
Buying or selling Catalyst 6504-E?
New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.
Sources
- Cisco Catalyst 6504-E Product Documentation, checked 2026-10-27
- Cisco Catalyst 6504-E Data Sheet and Technical Specifications, checked 2026-10-27