Komputerbay 8GB (2x 4GB) DDR3 SODIMM (204 pin) 1333Mhz PC3-10600 (9-9-9-25) Laptop Notebook Memory for Apple Macbook Pro Komputerbay 8GB (2x 4GB) DDR3 SODIMM (204 pin) 1333Mhz PC3-10600 (9-9-9-25) Laptop Notebook Memory for Apple Macbook Pro Lifetime Warranty Compatible with: MacBook Pro 2.0GHz Intel Core i7 (15-inch DDR3) Early-2011 MacBook Pro 2.2GHz Intel Core i7 (15-inch DDR3) Early-2011  MacBook Pro 2.2GHz Intel Core i7 (17-inch DDR3) Early-2011 MacBook Pro 2.3GHz Intel Core i5 (13-inch DDR3) Early-2011  MacBook Pro 2.3GHz Intel Core i5 (15-inch DDR3) Early-2011  MacBook Pro 2.3GHz Intel Core i7 (15-inch DDR3) Early-2011 MacBook Pro 2.3GHz Intel Core i7 (17-inch DDR3) Early-2011  MacBook Pro 2.3GHz Intel Core i5 (17-inch DDR3) Early-2011  MacBook Pro 2.7GHz Intel Core i7 (13-inch DDR3) Early-2011