Full Details from Amazon.com : http://www.amazon.com/gp/product/B009KAZIJE?tag=onigi-20
2GB Memory RAM for Lenovo ThinkPad X100e 350829U by Arch Memory
Arch Memory is a Registered Trademark of Arch Computer LLC
Pins 200 Pin
Data Transfer Rate 667Mhz
System Type Laptops
Bus Type PC-5300
