The Apple MacBook Pro 15” 2.7GHz quad-core Intel Core i7 can be upgraded with a maximum of 16gb of RAM with the two memory slots available. And if 16GB is too much ram then you can install just 8GB of ram as well.
The following memory configurations for this specific Apple notebook computer are:
16GB MacBook Pro RAM (8gb x 2)
8GB MacBook Pro RAM (4gb x 2)
The MacBook Pro 15” 2.7GHz quad-core Intel Core i7 requires the purchase of DDR3 1600Mhz so-dimms.