HP 8GB DDR2-533, 8 GB, 1 x 8 GB, DDR2, 533 MHz, 240-pin DIMM HP 8GB DDR2-533. Component for: PC/Server, Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz, Memory form factor: 240-pin DIMM, ECC