A-TECH 4GB KIT (2 x 2GB) For Dell Inspiron 518 519 530a/c 530b/d 535 535s 537 537s 545 545s 546 546s One 19. DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory. Genuine Brand. 4GB KIT (2 x 2GB) DIMM DDR2 NON-ECC PC2-6400 800MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Inspiron. (See Compatibility List Below)