2GB STICK For Sony Vaio VGN Series VGN-FZ345E/B VGN-FZ348E VGN-FZ348E/B VGN-FZ350AE VGN-FZ35G VGN-FZ35GN VGN-FZ37G VGN-FZ38GU VGN-FZ38M VGN-FZ390 VGN-FZ390AU VGN-FZ390EAB VGN-FZ390EBB VGN-FZ390ECB VGN-FZ390FU VGN-FZ39VN VGN-FZ4000 (CTO) VGN-FZ410E VGN-FZ410E/B VGN-FZ420E VGN-FZ420E/B VGN-FZ430E VGN-FZ430E/B VGN-FZ440E VGN-FZ440E/B VGN-FZ440N VGN-FZ445D/B VGN-FZ445E VGN-FZ445E/B VGN-FZ455E. SO-DIMM DDR2 NON-ECC PC2-5300 667MHz RAM Memory. Genuine A-Tech Brand. 2GB STICK SO-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 Sony Vaio VGN Series. (See Compatibility List Below)