parts-quick 4GB Memory for Toshiba Satellite L300 (PSLB8A-0VK004) Laptop DDR2 PC2-6400 800MHz SODIMM Compatible RAM at Amazon.com
4GB 2X2GB Memory RAM for Toshiba Satellite L300-20D 200pin 800MHz PC2-6400 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.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
Install 4GB Ram into Toshiba Laptop - YouTube
15.4” Toshiba Satellite Pro L300-EZ1523 Laptop 4GB RAM 250GB HDD Windows 10 | eBay