A-TECH 2GB KIT (2 x 1GB) Sony VAIO PCG PCG-V505EC (CTO) PCG-V505EC61 PCG-V505ECP PCG-V505EX PCG-V505EXP PCG-V505F B PCG-V505F PCG-V505MLP SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory Genuine Brand 2GB KIT (2 x 1GB) SO-DIMM DDR NON-ECC PC2700 333MHz RAM Memory Genuine A-Tech Memory Lifetime Warranty Toll Free Technical Support 1-866-557-4527 Designed For Sony VAIO PCG. (See Compatibility List Below)