1GB Kit (2x512MB) PC2-4200 533MHz DDR2 Desktop DIMMs
PNY 1GB Kit (2x512MB) PC2-4200 533MHz DDR2, 1 GB, 2 x 0.5 GB, DDR2, 533 MHz
PNY 1GB Kit (2x512MB) PC2-4200 533MHz DDR2. Internal memory: 1 GB, Memory layout (modules x size): 2 x 0.5 GB, Internal memory type: DDR2, Memory clock speed: 533 MHz