The product is a 4GB (2x2GB) DDR3-1066MHz laptop memory RAM made by Elpida. It consists of two modules with a total capacity of 4GB, with each module having a capacity of 2GB. The memory is designed for use in laptops and is manufactured in Taiwan. With a bus speed of PC3-8500S, this RAM is suitable for improving the performance and multitasking capabilities of a laptop.