Komputerbay 8GB (2X 4GB) DDR3 SODIMM (204 pin) 1066Mhz PC3-8500 (7-7-7-20) Laptop Notebook Memory for Apple MacBook Pro Compatible with: MacBook Pro 2.26GHz Intel Core 2 Duo (13" DDR3) MB990LL/A Mid-2009 LaptopMacBook Pro 2.4GHz Intel Core 2 Duo (13" DDR3) MC374LL/A LaptopMacBook Pro 2.4GHz Intel Core i5 (15" DDR3) MC371LL/A LaptopMacBook Pro 2.53GHz Intel Core 2 Duo (13" DDR3) MB991LL/A Mid-2009 Laptop MacBook Pro 2.53GHz Intel Core 2 Duo (15" DDR3) Mid-2009 LaptopMacBook Pro 2.53GHz Intel Core i5 (15" DDR3) MC372LL/A LaptopMacBook Pro 2.53GHz Intel Core i5 (17" DDR3) MC024LL/A LaptopMacBook Pro 2.66GHz Intel Core 2 Duo (13" DDR3) MC375LL/A Laptop MacBook Pro 2.66GHz Intel Core 2 Duo (15" DDR3) Mid-2009 Laptop MacBook Pro 2.66GHz Intel Core 2 Duo (17" DDR3) MB604LL/A Laptop MacBook Pro 2.66GHz Intel Core i7 (15" DDR3) MC373LL/A Laptop MacBook Pro 2.66GHz Intel Core i7 (17" DDR3) Laptop MacBook Pro 2.8GHz Intel Core 2 Duo (15" DDR3) Mid-2009 Laptop MacBook Pro 2.8GHz Intel Core 2 Duo (17" DDR3) MC226LL/A Mid-2009 Laptop MacBook Pro 2.8GHz Intel Core i7 (15" DDR3) Late-2010 Laptop MacBook Pro 2.8GHz Intel Core i7 (17" DDR3) Late-2010 Laptop MacBook Pro 2.93GHz Intel Core 2 Duo (17" DDR3) Laptop MacBook Pro 3.06GHz Intel Core 2 Duo (15" DDR3) Mid-2009 Laptop MacBook Pro 3.06GHz Intel Core 2 Duo (17" DDR3) Mid-2009 Laptop