4GB STICK For Gateway NV Series Notebook NV52L08u NV52L15u NV55S12h NV56R NV56R06u NV56R10u NV56R14u. SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory. Genuine A-Tech Brand. 4GB STICK SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gateway NV Series Notebook. (See Compatibility List Below)