HP H6Y77AAR, 8 GB, 1 x 8 GB, DDR3, 1600 MHz, 204-pin SO-DIMM HP H6Y77AAR. Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR3, Memory clock speed: 1600 MHz, Memory form factor: 204-pin SO-DIMM