Sony PCV-RZ51 Handbuch

The amount of preinstalled memory may vary, depending on the system configuration you purchased. Your computer may
ship with all available memory slots filled. For memory replacement or upgrades, use the correct memory module for your
computer's configuration. See the online 

 sheet for details about the amount of memory installed in your

computer. 

You can purchase additional memory modules, accessories, and peripheral equipment from your local retailer.