8GB KIT (2 x 4GB) For Dell Inspiron Notebook Series M5010 M501R M5030 M5040 M5110 N4020 N4030 N5010 N5030 N5110 N7110 Q15R Q17R XPS 14z (N411z). SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Inspiron Notebook Series. (See Compatibility List Below)