The newest iMac is packed with the most powerful collection of graphics and processors a Mac has ever had. It also has more advanced storage, memory and I / O. All behind an amazing Retina 5K screen in an elegant all-in-one design. With Turbo Boost speeds of up to 4.5 GHz, the iMac Pro has the power and flexibility required to balance multi-core processor power with input performance. Model: 2017.