The 4X70M60571 Lenovo 4GB PC4-19200 DDR4-2400MHz Memory Module is a reliable and efficient upgrade option for those looking to boost the performance of their desktop or laptop. With a capacity of 4GB, this module is designed specifically for use in systems that support DDR4 memory. It features a high-speed frequency of 2400MHz, which allows for faster data transfer and improved system responsiveness. Additionally, this module is easy to install and requires minimal configuration, making it an ideal choice for those who are new to installing memory. With a limited lifetime warranty, users can also have peace of mind knowing that their investment is protected. Overall, the Lenovo 4GB PC4-19200 DDR4-2400MHz Memory Module is an excellent choice for those looking to improve the performance and speed of their computer.