HP J7W43AV, 4 GB, 1 x 4 GB, DDR3L, 1600 MHz, 204-pin SO-DIMM HP J7W43AV. Component for: Laptop, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR3L, Memory clock speed: 1600 MHz, Memory form factor: 204-pin SO-DIMM