Amazon.com: 2017 Apple MacBook Pro with 3.1GHz Intel Core i7,81PPuHpHSdL._AC_UF894,,Amazon.com: Mid 2017 Apple MacBook Pro with 2.5 GHz Intel,Amazon.com: Mid 2017 Apple MacBook Pro with 2.5GHz Intel,Amazon.com: 2017 Apple MacBook Pro with 3.1GHz Intel Core i7