8GB -2x4GB Memory Ram Upgrade Apple MacBookPro-5.1 15" 2.53GHz Late 2008 A1286
A1286 (EMC 2255). Your MacBook has two ram slots and the maximum upgrade is 8GB (2x4GB). Core 2 Duo. Kit Capacity: 8GB. Late 2008 (unibody). Model Number. Release Date. 12 Month Warranty.