2GB KIT (2 x 1GB) For Gateway GT Series Desktop GT5411E GT5412 GT5414E GT5418E GT5422E GT5426E GT5428 GT5429H. DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. 2GB KIT (2 x 1GB) DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Gateway GT Series Desktop. (See Compatibility List Below)