Full Details on Amazon.com : http://www.amazon.com/gp/product/B009KI4B6C?tag=tsukuyomi-20
4GB RAM Memory for ASUS Eee PC 1215T-MU10-BK by Arch Memory
Arch Memory is a Registered Trademark of Arch Computer LLC
204-Pin DDR3 SODIMM
Compatible with systems that use PC3-10600 204-Pin DDR3 SODIMM modules
4GB RAM Memory for ASUS Eee PC 1215T-MU10-BK by Arch Memory
Lifetime Replacement Warranty