The product described is a lot of 2 16GB DDR4 sticks of laptop memory. These memory sticks will enhance the performance of a laptop by providing more RAM for processing tasks and multitasking. DDR4 memory is known for its high speed and efficiency, making it ideal for improving the speed and responsiveness of a laptop. This product is a great choice for someone looking to upgrade their laptop's memory capacity to improve overall performance. Many different brands but they all matching speed working pulls