Pre-Owned 2017 Apple MacBook Pro 15.4,Amazon.com: Mid 2017 Apple MacBook Pro with 3.1GHz Core i7,Apple MacBook Pro 15 inch Retina / Quad Core i7 / 16GB,MacBook Pro 15.4-inch Laptop 2.6GHz Core i7 16GB RAM 512GB,Apple MacBook Pro 15-Inch Core i7 2.8GHz Touch/Mid-2017 16GB