Corsair Cmsa8Gx3M2A1333C9 Apple Certified 8Gb (2X4Gb) Ddr3 1333 Mhz (Pc3 10666) Laptop Memory 1.5V

Corsairs 4Gb And 8Gb Mac Memory Upgrade Kits Will Help Your System Work Better. With Hassle-Free Compatibility And Renowned Corsair Reliability And Support, Theyre A Smart Performance Investment. Applications Use Memory, And Some Of The Applications That Run Best On The Mac - Photo And Video Editing - Use Lots Of It. Thats Why Outfitting Your Mac With A Corsair Mac Memory Upgrade Kit Is One Of The Best Things You Can Do To Maximize Your Systems Performance And Agility. With A Mac Thats Been Upgraded To The Maximum Amount Of Memory It Supports, Youll Spend Less Time Waiting For Your Applications To Buffer Data To The Hard Drive, And More Time Working - Or Playing. Upgrading Memory Can Also Be A Cost-Effective Way To Get More Life Out Of Your Older System: Before You Trade Up To A New One, Just Upgrade The Memory.Compatible With Macbook Pro (13-Inch: Late 2011): Macbook Pro (13-Inch: Early 2011): Macbook Pro (15-Inch: Late 2011):Macbook Pro (15-Inch: Early 2011): Macbook Pro (17-Inch: Late 2011): Macbook Pro (17-Inch: Early 2011)