4GB DDR3-1333 (PC3-10666) RAM Memory Upgrade for the Dell Inspiron 15-N5050 (Genuine A-Tech Brand) 4GB DDR3-1333 (PC3-10666) RAM Memory Upgrade for the Dell Inspiron 15-N5050 100% Genuine A-Tech Brand Memory 4GB DDR3-1333 PC3-10600 Non-ECC Unbuffered 204 Pin 1.5V CL=9 Memory Limited Lifetime Warranty High Quality Ram specifically designed for the Dell Inspiron 15-N5050