8GB KIT (2 x 4GB) For Dell Inspiron Notebook Series 1120 11z (1121) 1370 13R (N3010) 14 (1464) 14 (N4050) 1470 14R 14R (N4010) 14R (N4050) 14R (N4110) 14z 14Z (5423) 15 (1564) 15 (M5040) 15 (N5030) 15 (N5040) 15 (N5050) 1564 1570 15R 15R (5520) 15R (5521) 15R (7520) 15R (N5010) 15R (N5110) 15z 17 (1746) 17 (1764) 17R 17R (5720) 17R (7720) 17R (N7010) M101z M102z (1122) M301z M4040 M4110. 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)