8GB Kit (4GBx2) RAM Memory for Dell Inspiron 14R (N4120), 14z, 14z (5423), SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz 8GB Kit SO-DIMM DDR3 NON-ECC PC3-12800 1600MHz RAM Memory Top Quality Chips Only; Memory Chips are from Major Mfrs--Micron, Samsung, Hynix, Elpida, etc. Designed For Dell Inspiron. (See Compatibility List Below) Lifetime Warranty Installation Guide Included