8GB, DDR4, 2133MHz, 260-pin SODIMM
HP 820448-857, 8 GB, 1 x 8 GB, DDR4, 2133 MHz, 260-pin SO-DIMM
HP 820448-857. Component for: Laptop, Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR4, Memory clock speed: 2133 MHz, Memory form factor: 260-pin SO-DIMM