The DDR3 SO-DIMM modules available at shop4memory.com are used in many of the new portable computers and can represent the perfect memory upgrade for the newer laptop computers. Our DDR3 SO-DIMM modules are able to provide speeds ranging from 1066MHz (PC3-8500) to 1333MHz (PC3-10666). We offer single and dual (each consisting of two matched DDR3 SO-DIMM modules) kits which are available in 2GB and 4GB capacities. Our DDR3 SO-DIMM manufactured by leading brands G.Skill, Transcend, and Adata, available in CL7 and CL9 latencies are suitable for a wide range of computer users including gamers, enthusiasts, and professionals. Having 204 pins and operating at a voltage of 1.5V, the DDR3 SO-DIMM kits are very efficient in conserving energy.