Back on August 7, 2006, Apple rolled out the inaugural Mac Pro model, boasting two dual-core 64-bit Xeon processors. This powerhouse offered up to double the performance of its forerunner, the Power Mac G5. Serving as the crowning piece in Apple's seamless shift from PowerPC architecture to Intel chips, this iteration introduced PCI Express expansion slots for the very first time. Priced starting at $2,499, it swiftly became the go-to gadget for creative minds, including video editors and audio engineers alike.