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. Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity Up to 1066 MHz speed is enough to run heavy software smoothly while surfing web with dozens of tabs open SoDIMM 8 GB memory allows you to have more programs open at a time DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computer's performance 2 x 4GB modules for dependable storage efficiency and maximum convenience 204-pin for faster, dependable performance and better access to data and information SoDIMM form factor with 204-pin and 8 GB memory size effectively lessens the electrical load on the memory controller to allow maximum feasibility Unbuffered signal processing provides reliable optimization for your required applications to allow maximum usability