CMS - 2GB 2x1GB DDR2-PC4200 533MHz Memory 4 Optiplex GX520, GX620 USFF, GX745, SX280

CMS 2GB DDR2 SDRAM Memory Module - 2 GB (2 x 1 GB) - DDR2 SDRAM - 533 MHz DDR2-533/PC2-4200 CMS 2GB DDR2 SDRAM Memory Module - 2 GB (2 x 1 GB) - DDR2 SDRAM - 533 MHz DDR2-533/PC2-4200