There's an easy cure for a slow computer: more memory. Designed to help your system run faster and smoother, Crucial Laptop Memory is one of the easiest and most affordable ways to improve your system's performance. Load programs faster. Increase responsiveness. Run data-intensive applications with ease, and increase your laptop's multitasking capabilities. Product Highlights 1600MHz DDR3 SDRAM CAS Latency: CL11 UDIMM 204 pin Form Factor Voltage: 1.35V/1.5V Limited Lifetime Warranty