The Apple Mac Pro A1289 is a high-performance desktop computer in the Apple PowerMac series. It features a powerful Mac Pro processor, 16GB of RAM, and has been tested for proper functionality. The tower form factor makes it suitable for a workstation setup, requiring a hard drive to be installed for full functionality. With its reliable brand reputation and specific model details, this product is a great option for those looking for a versatile and powerful desktop computer from Apple.