HP 6DR64AV, 8 GB, 2 x 4 GB, DDR4, 2666 MHz, 260-pin SO-DIMM HP 6DR64AV. Component for: Laptop, Internal memory: 8 GB, Memory layout (modules x size): 2 x 4 GB, Internal memory type: DDR4, Memory clock speed: 2666 MHz, Memory form factor: 260-pin SO-DIMM