HP 8GB DDR2-667, 8 GB, 2 x 4 GB, DDR2, 667 MHz, 240-pin DIMM HP 8GB DDR2-667. Component for: PC/Server, Internal memory: 8 GB, Memory layout (modules x size): 2 x 4 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz, Memory form factor: 240-pin DIMM