Toshiba Mini NB505 RAM Replacement - iFixit Repair Guide
OFFTEK 8GB Replacement Memory RAM Upgrade for Toshiba Satellite C855D-S5303 (DDR3-10600) Laptop Memory at Amazon.com
8GB Memory Upgrade for Toshiba Satellite C55-B Series DDR3L 1600MHz PC3L-12800 SODIMM RAM (MemoryMasters) at Amazon.com
Toshiba 8GB (1 x 8GB) PC3L-12800 DDR3L-1600MHz SODIMM Notebook Memory [PN: PA5104U-1M8G] at Amazon.com
8GB (4GBx2) Team High Performance Memory RAM Upgrade For Toshiba Satellite L655-16F L655-16G L655-16G L655D-011 Laptop. The Memory Kit comes with Life Time Warranty. at Amazon.com
How to install RAM on a Toshiba Satellite laptop - YouTube