Centon is a member of the Apple Developer Program. Our Mac products are specifically designed for and tested in Apple systems. The Centon RA1333SO4096K2 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 Centon"s DDR3 comes from the higher bandwidth interface technology and is a great boost to your Laptop.