Corsair CMSA8GX3M2A1066C7 Apple 8 GB Dual Channel Kit DDR3 1066 (PC3 8500) 204-Pin DDR3 Laptop SO-DIMM Memory 1.5V, Beige

Corsair Mac memory, 8GB 1066MHz C7 DDR3 SODIMM for Apple iMac, MacBook and MacBook Pro 4GB (2x4GB). tested at apples compatibility lab to ensure functionality with all current products that have official Apple support for 4GB SO-DIMMs. Adding system memory is one of the most effective ways to improve overall performance and CORSAIR's Mac memory offers a solid tested solution with a limited lifetime warranty. Tech Support # 1-888-222-4346 opt #1