According to an article at macworld.com, the Mac mini's ram is user upgradeable without voiding the warranty.
"contrary to rumors around the Internet, Apple has told Macworld that you can even do it yourself without voiding your warranty unless you break something when you open it.)
http://www.macworld.com/weblogs/editors/2005/01/miniapplesandoranges/index.php
"contrary to rumors around the Internet, Apple has told Macworld that you can even do it yourself without voiding your warranty unless you break something when you open it.)
http://www.macworld.com/weblogs/editors/2005/01/miniapplesandoranges/index.php