Sony VAIO VGN-FS635 Series upgrades from Crucial.com

Sony Memory - VAIO VGN Models - VAIO VGN-FS Series (All Models) - 512MB DDR333 SODIMM - AM36320

Sony VAIO VGN-FS630 Memory

Amazon.com: Computers: Sony VAIO VGN-FS630/W 15.4" Notebook PC (Intel Pentium M Processor 740, 512 MB RAM, 80 GB Hard Drive, DVD/CD-RW Combo Drive)

Amazon.com: Computers: Sony VAIO VGN-FS630/W 15.4" Notebook PC (Intel Pentium M Processor 740, 512 MB RAM, 80 GB Hard Drive, DVD/CD-RW Combo Drive): "DDR 2700 RAM (200 pin, 2.5 latency, unbuffered, unregistered)."