Centon is a member of the Apple Developer Program. Our Mac products are specifically designed for and tested in Apple 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. Features - DDR3 SDRAM - double data rate three synchronous dynamic random access memory - Transfer data at twice the rate of DDR2 - Higher bus rates and higher peak rates than earlier memory technologies - Provides a reduction in power consumption of 30% compared to DDR2 modules - 1.5V supply voltage, compared to DDR2's 1.8V