6GB -2GB+4GB Memory Ram Upgrade Apple MacBook Pro 3,1 Mid 2007 2.2GHz 15" A1226
A1226 (EMC 2136). Your MacBook has two ram slots and the maximum upgrade is 6GB (2GB+4GB) . Total Capacity: 6GB. MACBOOK PRO DETAILS. INSIDE YOUR MACBOOK PRO. Module Capacity: 2GB + 4GB. Core 2 Duo. Model Number.