32MB (2X16) Cisco 4500M Router Approved Upgrade Memory Kit (p/n MEM-4500M-16U32D)Preserve your Smartnet warranty with Cisco approved memory. this module is in stock and can ship today. We guaranty this module will work in your routerThe MEM-4500M-16U32D carries a MemoryTen Lifetime exchange or repair warranty against manufacturing defects. It may also be returned in original condition within 14 days of delivery for full credit minus shipping. We also supply unlimited lifetime tech support for this item