Increase the speed, durability, and efficiency of your system for years to come with the Crucial MX300 SSD. This bundle includes a converter for easy installation. The converter is designed for any system that requires a 3.5" drive. Older Mac Pro and iMac systems require a converter to install a 2.5-inch SATA SSD and ensure that it fits and works properly. This solution will work with Mac Pro and iMac systems that require the 3.5" drive.