4GB KIT (2 x 2GB) For Dell Latitude ATG D620 D820. SO-DIMM DDR2 NON-ECC PC2-4200 533MHz RAM
4GB KIT 2 x 2GB SO-DIMM DDR2 NON-ECC PC2-4200 533MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Latitude See Compatibility List Below