Sony PCG-N505VE - Manual (Page 64)

VAIO 505 SuperSlim Notebook User Guide 54
Adding Memory
In the future you may want to install memory modules to expand the
functionality of your computer. You can increase memory to 128 MB by
installing optional memory modules. To upgrade memory, contact your
nearest Sony Authorized Service Center or check www.ita.sel.sony.com/
support/pc/pcdoc.html. For the location of a service center near you,
call 1-888-4SONYPC.