The classic Ripjaws is reborn as the fastest SO-DIMM in the world! With kits available at speeds of up to DDR3-2133MHz and 1.35V of DDR3L low voltage support for the latest generation of Haswell CPUs, it's the best memory choice to realize the full potential of your laptop or portable computing system. Instantly feel the speed improve! Speed Matters! Get Better Productivity With Ripjaws SO-DIMM! Don’t waste time on waiting for your PC. Get the most out of your laptop with G.SKILL Ripjaws SO-DIMM series. Whether you are gaming, programming, multimedia editing or just surfing the web, you will feel the speed improve instantly! It is one of the smartest and most cost-effective ways to enhance your productivity and computing experience on your laptop! For 3rd & 4th Gen Intel Core Processor G.SKILL Ripjaws 1.35V Low Voltage SO-DIMM memory kits are compatible with the laptop machines & PCs equipped with Intel 3rd & 4th Generation processors that support 1.35V DDR3 SO-DIMM. First-Class Quality Every G.SKILL Ripjaws SO-DIMM memory kit is 100% validated with G.SKILL rigorous burn-in tests. It ensures every kit delivers perfect stability, performance and quality for your laptop machine. 1.35V Low Voltage Required only 1.35V, the G.SKILL low voltage SO-DIMM memory kit consumes less power and generates less heat. It is the perfect memory solution to extend your laptop's battery life and enhance the stability due to lower temperature. DDR3 1.5V Support Does your system only support DDR3 1.5V SO-DIMM? No problem! Ripjaws SO-DIMM is also compatible with systems that support DDR3 1.5V!