The Samsung 4GB DDR3 SDRAM 240-Pin DIMM PC3-12800U is a high-quality memory module designed for desktop computers. With a total capacity of 4GB, this DIMM features non-ECC memory technology and a lifetime manufacturer warranty. The module has a sleek design with dimensions of 133mm in length, 30mm in height, and 3mm in width. Built by Samsung, a trusted brand in the industry, this DDR3 SDRAM module is reliable and efficient for enhancing the performance of your computer.