8GB KIT (2 x 4GB) For Sony Vaio VPC Series VPCEE42FX VPCEE43EB VPCEE43EL VPCEE43FB VPCEE43FD VPCEE43FDBI VPCEE43FX VPCEE44FM VPCEE45FB VPCEE45FX VPCEE45FX/BJ VPCEE46FX VPCEE47FB VPCEE47FL VPCEE47FX VPCEE47FXT VPCEE4E1E VPCEE4E1R/BQ VPCEE4E1R/WI VPCEE4J1E VPCEE4M1E VPCEE4M1R/BQ VPCEF21FD VPCEF22FX VPCEF25FX VPCEF2E1E VPCEF2E1E/WI VPCEF34FD VPCEF34FD/BI VPCEF34FX VPCEF37FX VPCEF3E1E. SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory. Genuine A-Tech Brand. 8GB KIT (2 x 4GB) SO-DIMM DDR3 NON-ECC PC3-8500 1066MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Sony Vaio VPC Series. (See Compatibility List Below)