Fujitsu 4 GB (2x2GB) DDR II Memory Module, 4 GB, 2 x 2 GB, DDR2, 667 MHz
Fujitsu 4 GB (2x2GB) DDR II Memory Module. Internal memory: 4 GB, Memory layout (modules x size): 2 x 2 GB, Internal memory type: DDR2, Memory clock speed: 667 MHz, ECC