8GB (4GBx2) Team High Performance Memory RAM Upgrade For Toshiba Satellite A300-048 A300-06H A30 0-0F7 A300-1I4 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
4GB 2X2GB Memory RAM for Toshiba Satellite Pro A300-22E 200pin 667MHz PC2-5300 DDR2 SO-DIMM Black Diamond Memory Module Upgrade System Specific Memory - Newegg.com
Toshiba Satellite A300 series compatible RAM and SSD upgrades | Upgradeable
Newrecord 6050a2171501-mb-a03 V000126440 V000125930 For Toshiba Satellite A300 A305 Laptop Motherboard Ddr2 With Gpu Slots - Laptop Motherboard - AliExpress
Toshiba Satellite Pro A300 Disassembly - iFixit Repair Guide