Dual Channel memory kits contain two matched modules for dual-channel enabled systems. DDR3 SODIMM modules are built to JEDEC standards and provide a reduction in power consumption of 30% over DDR2 modules. The main benefit of Centon's DDR3 comes from the higher bandwidth interface technology and is a great boost to your Laptop. Upgrading your computer is one of the easiest and least expensive ways to maximize your system's performance. Centon's quality memory upgrades are backed by a lifetime warranty and are guaranteed to work with your system.