HP 8GB DDR4-2133, 8 GB, 1 x 8 GB, DDR4, 2133 MHz, 288-pin DIMM HP 8GB DDR4-2133. Component for: PC/server, 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: 288-pin DIMM, CAS latency: 15, ECC