2GB KIT (2 X 1GB) Sony VAIO VGN VGN-N11M/W VGN-N11S/W VGN-N130F VGN-N130G/W N130G/WK1 VGN-N130P/B VGN-N140F VGN-N145FP VGN-N150F SO-DIMM DDR2 NON-ECC PC2-4200 533MHz RAM Memory Genuine A-Tech Brand 2GB KIT (2 x 1GB) 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 Sony VAIO VGN. (See Compatibility List Below)