The Samsung 4GB 2Rx8 PC3-10600S DDR3 SO-DIMM Laptop Memory RAM is a high-quality computer component designed for laptops. With a total capacity of 4GB and a frequency of 1333MHz, this RAM provides fast and efficient performance for your device. The DDR3 SDRAM form factor and non-ECC unbuffered memory features ensure reliable performance while the Samsung brand guarantees quality and longevity. This unit is a single module with a lifetime manufacturer warranty, perfect for enhancing the speed and functionality of your laptop.