New! 16GB 2x8GB Memory Sodimm PC3-8500 for 13" MacBook Pro 2.66GHz (Mid 2010) Could be Samsung, Kingston, Hynix, Smart, Corsair, Elpida, Micron, or Nanya Warranty: LIFETIME WARRANTY WorldWide Shipping to most countries & USA Capacity: 16gb (2x4gb) - You receive 2 Stick of the 8gb SODIMMS for a total of 16gb