4GB KIT (2 x 2GB) For Dell Vostro Desktop Series 230 Mini Tower 230s Slim Tower 260 260S 430 Mini Tower 460 Mini Tower. DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory. Genuine A-Tech Brand. 4GB KIT (2 x 2GB) DIMM DDR3 NON-ECC PC3-10600 1333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Dell Vostro Desktop Series. (See Compatibility List Below)