The Crucial 8GB 2x 4GB PC3-12800 Laptop SODIMM DDR3 1600 MHz Memory RAM is a reliable and high-quality RAM module designed for various laptop models from brands such as Dell, HP, Compaq, Apple, Intel, IBM, Lenovo, Toshiba, Acer, Asus, and Sony. With a total capacity of 8GB divided into two 4GB modules, this DDR3 SDRAM RAM operates at 1600 MHz with a low voltage of 1.35V for efficient performance. The lifetime warranty by Crucial ensures long-lasting value and support, making it a safe and dependable choice for upgrading your laptop's memory capacity.