4GB (2GBx2) Team High Performance Memory RAM Upgrade For Toshiba Portege M400-S933 M400-ST4001 M 400-ST4035 M400-ST9113 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
Toshiba R15 - S822 Tablet PC Review
1GB DDR2 for Toshiba Portege M400 Series PC2-5300 667MHz 200 pin SO-DIMM Laptop Notebook Memory RAM (PARTS QUICK Brand) at Amazon.com