4GB [1x4GB] Memory RAM Upgrade for the Toshiba Satellite A300 Laptops | eBay
4GB (2X2GB) DDR2 MEMORY FOR Toshiba Satellite A300-29U - Walmart.com
8GB 2X4GB RAM Memory for Toshiba Satellite A300-1T2 Black Diamond Memory Module DDR2 SO-DIMM 200pin PC2-5300 667MHz Upgrade - Newegg.com
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Toshiba Satellite A300-21I A300-231 A30 0-23V A300-259 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com