Key Features Memory Size 4GB Memory Type DDR3 Module Type SODIMM Pin Configuration 204-pin Error Correction Non-ECC CL-t RCD-t RP-t RAS 9-9-9-CL9 DRAM Density Eight 512M x 8-bit Data transfer bandwidth 667 M Hz f CK for 1333 Mbsecpin Heat Sink Yes Working voltage 15v Warranty 1 Year Return to Base Warranty Manufacturers Lifetime Warranty 01932 738888