2GB RAM Memory Upgrade for the Gateway LT2030U, M-6755, MT6840, NX570X, NX570XL, and T-1616 Laptops (DDR2-667, PC2-5300, SODIMM) Guaranteed Compatible for the Gateway LT2030U, M-6755, MT6840, NX570X, NX570XL, and T-1616 Laptops Speed up your system with a RAM Memory upgrade! 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!