The Lot of 4 Ramaxel 4GB DDR3 1600MHz SODIMM modules offer a total capacity of 16GB for laptops. Each module has a capacity of 4GB, providing a reliable and efficient memory solution for computing tasks. The DDR3 SDRAM technology ensures faster data transfer speeds, while the SO-DIMM form factor makes it easy to install in laptop memory slots. Made in Taiwan, these Ramaxel modules are compatible with laptops requiring PC3-12800 (DDR3-1600) bus speeds. Ideal for enhancing the performance of your computer, these memory modules are a dependable choice for boosting speed and efficiency.