You'll receive one 32MB memory module to upgrade your Cisco 4000-M router's main memory. Upgrading the memory will definitely increase the performance of the router and allow you to run the latest Cisco IOS.
The one 32 MB module can ONLY be used for the following Cisco router, please make sure you have the following routers before purchasing:
Cisco 4000-M ( 1 memory slot )
mpn: mem-4000m-32d
