DESC: The Centon R1333SO4096K2 Laptop Memory Kit modules are built to JEDEC standards and provide a reduction in power consumption of 30% over DDR2 modules. The main benefit of the Centon R1333SO4096K2 Laptop Memory Kit 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.