2GB RAM Memory Upgrade for the Toshiba Satellite AA305, M110, P200, P205, U200 and X205 Series Laptops (DDR2-667, PC2-5300, SODIMM) Guaranteed Compatible for the following Toshiba Satellite laptops: A305 Series, M110 Series, P200 Series, P205 Series, U200 Series and X205. If unsure about compatibility or your model, feel free to give us a call! Speed up your system with up to 4.0GB of Memory! Lifetime Replacement Warranty! Will ship the same day when ordered at or before 4pm EST! All others ship next day! Fully-staffed call center to help with installation or inquiries! Call 866-335-1355 with questions or for help!