1GB (2x512MB), PC2-5300, DDR2 667MHz
HP 1GB DDR2-667, 1 GB, 2 x 0.5 GB, DDR2, 667 MHz
HP 1GB DDR2-667. Component for: PC/server, Internal memory: 1 GB, Memory layout (modules x size): 2 x 0.5 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz