4GB Team High Performance Memory RAM Upgrade Single Stick For Toshiba Satellite L300D-20Z L300D-21X L 300D-222 L300D-242 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
OFFTEK 1GB Replacement RAM Memory for Toshiba Satellite L300D-21Q (DDR – DirectNine - Europe
Toshiba Satellite L300D Series - Notebookcheck.net External Reviews
RAM Upgrades | Satellite L300D L-Series - max up to 8GB
Toshiba Satellite Pro L300D Reviews, Specs, Pricing & Support | Spiceworks