CMS 4GB (1X4GB) DDR2 6400 800MHZ NON ECC SODIMM Memory Ram Compatible with Toshiba Satellite L300 Series L300-1Aq L300-1As L300-1Di Ddr2 - A42 - Walmart.com
4GB Team High Performance Memory RAM Upgrade Single Stick For Toshiba Satellite L300-07Q L300-07R L30 0-0HH L300-19Y Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
4GB (2X2GB) DDR2 MEMORY FOR Toshiba Satellite L300-29V - Walmart.com
A-Tech 4GB RAM for Toshiba Satellite L300 L300-1AQ | DDR2 800MHz SODIMM PC2-6400 200-Pin Non-ECC Memory Upgrade Module at Amazon.com
NeweggBusiness - 8GB 2X4GB Memory RAM for Toshiba Satellite L300-223 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade