HP 5YZ55AT, 32 GB, 1 x 32 GB, DDR4, 2933 MHz, 288-pin DIMM HP 5YZ55AT. Component for: PC/Server, Internal memory: 32 GB, Memory layout (modules x size): 1 x 32 GB, Internal memory type: DDR4, Memory clock speed: 2933 MHz, Memory form factor: 288-pin DIMM, ECC