1GB = 1 billion bytes and 1TB = 1 trillion bytes; actual formatted capacity less. Trade In: Trade-in values vary, and can be based on the condition, year, and configuration of your trade-in device, and may also vary between online and in-store trade-in. Trade in value may be applied towards new purchase, and new purchase may be required to receive additional trade in values. Amazon.com: New Apple MacBook Pro (16-inch, 16GB RAM, 512GB Storage, 2.6GHz Intel Core i7) - Space Gray. Make Offer - Apple MacBook Pro 13.3' 256GB Laptop 2016, Space Gray - Excellent Condition!! Apple MacBook Pro 15.4' 512GB Laptop with Touchbar - Please Read Description $1,500.00. Macbook 12-inch (Retina, Gold) 1.2GHz Core m3 (Mid 2017) 256 GB Hard Drive 8 GB Memory - Gold. Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac and more. Visit the Apple site to learn, buy and get support.