IBM 1GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory, 1 GB, DDR2, 533 MHz
IBM 1GB PC2-4200 533MHz DDR2 SDRAM UDIMM Memory. Internal memory: 1 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz, CAS latency: 4, ECC