After nearly two years, Apple has beefed up the 21.5-inch and 27-inch Retina iMacs with faster processors, graphics chips, and memory. The company also added some high-end options to the iMac Pro.

Apple has indeed shipped the iMac Pro before the end of 2017. Josh Centers outlines the cost, features, and optional add-ons. It’s not cheap, but if you know you need the performance, price likely isn’t that much of an issue.