Cisco Cat WS-X4013+ IOS-based Supervisor, Compact Flash, 128MB Option, MEM-C4K-FLD128M, Approved

This memory module is compatible with the following supervisor engine.

WS-X4013+ (Supervisor Engine II)

You will find this supervisor engine in the following Cisco Catalyst switch models:

Cisco Catalyst 4006 Switch, Model WS-C4006
Cisco Catalyst 4503 Switch, Model WS-C4503
Cisco Catalyst 4506 Switch, Model WS-C4506
Cisco Catalyst 4507 Switch, Model WS-C4507
Cisco Catalyst 4506 Switch, Model WS-C4506