32MB Upgrade Kit Cisco Router 3640 Series memory
Cisco Router memory expansion
Important information about your system memory (RAM)
Your system supports only memory modules with selected memory chips. If you think you have found a store for a lower price elsewhere, then it is possible that the cheaper memory chip will not work.
Memory from our website is 100% compatible with your system,
or you get your money back!
or you get your money back!