It was replaced on April 4, 2007, by a dual quad-core Xeon Clovertown model, then on January 8, 2008, by a dual quad-core Xeon Harpertown model. Introduced in August 2006, the first-generation Mac Pro had two dual-core Xeon Woodcrest processors and a rectangular tower case carried over from the Power Mac G5. It is one of three desktop computers in the current Macintosh lineup, sitting above the consumer Mac Mini and iMac (and alongside the now discontinued iMac Pro). The Mac Pro, by some performance benchmarks, is the most powerful computer that Apple offers. Mac Pro is a series of workstations and servers for professionals that are designed, developed and marketed by Apple Inc.