The Crucial Ballistix Sport 4GB DDR3-1600 PC3-12800 240-Pin UDIMM is a high-quality memory module designed for computers and networking devices. With a total capacity of 4GB and a bus speed of PC3-12800 (DDR3-1600), this RAM is reliable and efficient for memory-intensive tasks. It features lead-free technology for environmental sustainability, a lifetime manufacturer warranty for peace of mind, and one module with 240 pins for easy installation. This module is ideal for upgrading or replacing existing memory modules in order to enhance the performance of your computer system.