Cisco 4500-E Replacement Guide: 4500E to 9400 PID Mapping and Migration Checklist

Direct Answer

For most modular Cisco Catalyst 4500-E refresh projects, the direct replacement platform is Cisco Catalyst 9400. In practical terms, WS-C4506-E and WS-C4507R+E map most directly to C9407R, while WS-C4510R+E maps most directly to C9410R. Cisco’s official migration guide positions the 9400 Series as the successor path for 4500E, and Cisco states that the 9400 Series retains the same centralized architecture as the 4500E Series. 

Executive Summary

If you are searching for Cisco 4500-E replacement, Catalyst 4500E replacement, or 4500E to 9400 mapping, the real question is usually not whether the 4500-E needs a refresh. It is which 9400 chassis, supervisor, line card, and power option best match the existing 4500-E deployment. Cisco’s official material already frames 4500E-to-9400 as the migration path, while Cisco’s 4500 Series EoL/EoS notices show why this remains an active refresh topic for enterprise networks. 

This guide is designed for buyers, network teams, and migration planners who need a practical answer. It focuses on direct 4500E-to-9400 PID mapping, best-fit replacement logic by hardware type, and the migration checks that matter before ordering. For the broader lifecycle context across Cisco campus switching platforms, see our Cisco Switch EOL Migration Guide.

What Replaces Cisco Catalyst 4500-E?

For most chassis-based refresh projects, Cisco Catalyst 9400 is the primary replacement for Cisco Catalyst 4500-E. Cisco has an official migration guide specifically for Catalyst 4500E to 9400 Series. That matters because it means the replacement path is not just a reseller recommendation; it is aligned with Cisco’s own migration guidance. 

That does not mean every 4500-E deployment should be copied one-for-one without planning. The right replacement still depends on four things: chassis size, supervisor role, line-card function, and power/PoE design. In other words, the correct question is not only “what replaces Cisco 4500-E?” but also “what is the right 9400 build for my current 4500-E hardware and use case?” 

Cisco 4500E to 9400 Mapping Table

The table below is intended for practical refresh planning. It gives a working 4500E PID to 9400 PID mapping for common chassis, supervisor, line-card, and power-supply scenarios. Final BOM selection should still be validated against port density, uplink design, redundancy requirements, and PoE budget.

C4500E PID	C9400 PID	Short Description	Replacement Notes
WS-C4506-E	C9407R	Cisco Catalyst 9400 Series 7 slot chassis	Best-fit chassis replacement for mid-size modular deployments
WS-C4507R+E	C9407R	Cisco Catalyst 9400 Series 7 slot chassis	Direct modular refresh path for 7-slot redundancy-focused deployments
WS-C4510R+E	C9410R	Cisco Catalyst 9400 Series 10 slot chassis	Best-fit replacement for 10-slot modular chassis environments
WS-X45-SUP6-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X45-SUP6L-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X45-SUP7-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X45-SUP7L-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X45-SUP8-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X45-SUP8L-E	C9400-SUP-1	Cisco Catalyst 9400 Series Supervisor 1	Common supervisor refresh path for legacy 4500E deployments
WS-X4748-RJ45V+E	C9400-LC-48U	Cisco Catalyst 9400 Series 48-Port UPOE 10/100/1000 (RJ-45)	Best-fit for UPOE campus access replacement
WS-X4648-RJ45V+E	C9400-LC-48U	Cisco Catalyst 9400 Series 48-Port UPOE 10/100/1000 (RJ-45)	Best-fit for UPOE campus access replacement
WS-X4748-UPOE+E	C9400-LC-48U	Cisco Catalyst 9400 Series 48-Port UPOE 10/100/1000 (RJ-45)	Direct UPOE mapping path
WS-X4748-RJ45+E	C9400-LC-48T	Cisco Catalyst 9400 Series 48-Port 10/100/1000 (RJ-45)	Best-fit non-PoE access card replacement
WS-X4648-RJ45+E	C9400-LC-48T	Cisco Catalyst 9400 Series 48-Port 10/100/1000 (RJ-45)	Best-fit non-PoE access card replacement
PWR-C45-1300ACV	C9400-PWR-3200AC	Cisco Catalyst 9400 Series 3200W AC Power Supply	Standardized 9400 AC PSU replacement path
PWR-C45-2800ACV	C9400-PWR-3200AC	Cisco Catalyst 9400 Series 3200W AC Power Supply	Common migration option for legacy 4500E AC power designs
PWR-C45-4200ACV	C9400-PWR-3200AC	Cisco Catalyst 9400 Series 3200W AC Power Supply	Standard replacement target in many 9400 builds
PWR-C45-6000ACV	C9400-PWR-3200AC	Cisco Catalyst 9400 Series 3200W AC Power Supply	Validate against final PoE and chassis power budget
PWR-C45-9000ACV	C9400-PWR-3200AC	Cisco Catalyst 9400 Series 3200W AC Power Supply	Validate against final PoE and chassis power budget

The chassis mappings above are consistent with Cisco’s official migration guide and public Cisco community guidance for at least some of the most searched chassis replacements, including WS-C4507R+E → C9407R. Similar mapping tables also appear in third-party migration references, but Cisco’s own 4500E-to-9400 migration documentation should remain the primary validation source. 

Best-Fit Replacements by Existing 4500E Hardware Type

Chassis replacements

If the current deployment is built around WS-C4506-E or WS-C4507R+E, the most direct replacement is usually C9407R. If the existing chassis is WS-C4510R+E, the closest direct fit is usually C9410R. Cisco’s migration guide explicitly compares 4500E and 9400 chassis options, which is why the 9400 Series is the cleanest chassis-based successor path. 

Supervisor replacements

For many legacy 4500E projects, older supervisor engines such as SUP6-E, SUP6L-E, SUP7-E, SUP7L-E, SUP8-E, and SUP8L-E are refreshed into the C9400-SUP-1 family in practical replacement planning. The exact final supervisor decision still depends on software strategy, redundancy, and feature requirements, but C9400-SUP-1 is a common modernization target in public mapping references and enterprise refresh discussions. 

Line-card replacements

For 48-port campus access cards, the main planning split is straightforward:

• legacy UPOE / PoE-heavy line cards map most naturally toward C9400-LC-48U
• legacy data-only 48-port RJ-45 cards map most naturally toward C9400-LC-48T

That approach aligns with the way buyers actually refresh 4500E access-layer builds: they are matching port function and power profile, not just chasing a like-for-like SKU label. 

Power-supply replacements

The simple mapping in many commercial refresh lists points legacy PWR-C45 AC supplies toward C9400-PWR-3200AC. That is useful as a baseline, but power design should never stop at a one-line SKU substitution. Cisco’s migration guide includes a dedicated power comparison, and real-world replacement decisions should always account for slot count, PoE draw, redundancy mode, and target line-card mix. 

Why Catalyst 9400 Is the Primary 4500-E Replacement

The strongest reason is architectural continuity. Cisco states that the Catalyst 9400 Series retains the same centralized architecture as the 4500E Series, while adding newer capabilities. That is a much stronger migration signal than a generic “newer platform” claim. It means the 9400 Series is not just newer hardware; it is the intended modular enterprise successor in Cisco’s own migration model. 

The second reason is that Cisco has already published a dedicated migration guide covering chassis hardware, supervisor hardware, power, management interfaces, and several operational differences between 4500E and 9400. That makes the 9400 Series the best-documented refresh target for organizations retiring 4500E deployments. 

Key Migration Differences to Check Before Replacing 4500-E

Interface numbering changes

Cisco’s migration guide notes that interface numbering changes between the two platforms. In practical terms, the same physical intent may be represented with different interface naming formats on 9400 than on 4500E. This matters for migration runbooks, templates, documentation, and validation steps after cutover. 

Management port and VRF differences

Cisco also highlights management-plane differences. The 4500E and 9400 platforms do not use the exact same management interface and VRF conventions. That can affect out-of-band access, automation assumptions, monitoring templates, and day-one provisioning procedures if teams expect a direct copy-and-paste migration. 

Power and PoE budget validation

A PSU mapping table is useful, but it is not the full design answer. Cisco’s official migration material includes power comparison information because the final 9400 build must still be checked against actual PoE demand, chassis population, and redundancy requirements. This is especially important for environments replacing dense 48-port UPOE cards. 

Supervisor and operational behavior differences

Migration planning should also account for operational differences, not just hardware replacement. Cisco’s guide discusses behavior changes in areas such as management, defaults, and platform-specific handling. That is why a good 4500E replacement plan is part hardware mapping and part migration checklist. 

How to Use the Mapping Table in a Real Refresh Project

A practical 4500E refresh project usually works best when the team follows a simple order:

First, identify the existing chassis role and slot count.

Second, confirm the supervisor function and redundancy expectations.

Third, map the line-card purpose: data-only access, PoE, or UPOE.

Fourth, validate the power design, especially if the current build is power-heavy.

Finally, review the migration differences that affect configuration, numbering, management access, and operations.

This page is intended to make that workflow faster. For a wider lifecycle and refresh-planning view across Cisco campus switches, see our Cisco switch EOL and migration guide.

FAQ

Final Conclusion

If you want the short answer, it is this:

Cisco Catalyst 9400 is the direct modular replacement platform for most Catalyst 4500-E refresh projects.

If you want the practical answer, it is this:

Use a 4500E-to-9400 mapping table to identify the right chassis, supervisor, line-card, and power path, then validate the migration details before ordering.

That is the real gap in this SERP. Cisco already provides the migration authority. What most buyers still need is a clear, commercial, hardware-level mapping guide they can use in actual refresh planning.