512MB (2x256MB), DDR2 667MHz, ECC, DIMM
HP 512MB DDR2-667, 0.5 GB, 2 x 0.25 GB, DDR, 667 MHz
HP 512MB DDR2-667. Component for: PC/Server, Internal memory: 0.5 GB, Memory layout (modules x size): 2 x 0.25 GB, Internal memory type: DDR, Memory clock speed: 667 MHz, ECC