Full Details from Amazon.com : http://www.amazon.com/gp/product/B009KFXWWO?tag=onigi-20
4GB Memory RAM for Toshiba Satellite L755-S5214 by Arch Memory
Arch Memory is a Registered Trademark of Arch Computer LLC
Pins 204 Pin
Data Transfer Rate 1333Mhz
System Type Laptops
Bus Type PC-10600
