The Samsung 4GB 2Rx8 DDR3 PC3-10600S laptop SODIMM RAM memory is a high-quality memory module designed for computers. With a total capacity of 4GB and a capacity per module of 4GB, this RAM is perfect for upgrading your computer's memory. Its DDR3 SDRAM type ensures fast data transfer speeds, while the SO-DIMM form factor makes it easy to install in laptops. With a bus speed of PC3-10600 (DDR3-1333), this RAM is a reliable and efficient choice for improving your computer's performance.