The Sonnet xMac Studio/Echo III Enclosure System (XMAC-STD-III) is a professional 3U rackmount solution designed to integrate your Mac Studio into demanding production environments while expanding its capabilities. Built from rugged steel, it securely houses a Mac Studio alongside a preinstalled Echo III Thunderbolt to PCIe expansion module, making it ideal for studios, broadcast facilities, post-production suites, and mobile rack setups. With clean front access to the computer’s power button, USB ports, and SD card slot, it keeps your workflow efficient and organized in both fixed and portable installations. The included Echo III module adds support for up to three full-height, full-length non-GPU PCIe cards through a high-speed Thunderbolt connection. This allows creative professionals to connect specialized audio and video processing cards, high-performance I/O solutions, and other essential hardware that many advanced workflows depend on. A built-in power supply supports demanding cards, while ultra-quiet, temperature-controlled fans help maintain reliable performance without adding distracting noise to your workspace. Thoughtful airflow design ensures your Mac Studio stays cool in a rack just as it would on a desk, and additional space beneath the unit accommodates two compact Thunderbolt or USB SSDs for streamlined storage expansion. With its durable construction, secure internal mounting, and travel-ready depth, the xMac Studio/Echo III is a dependable solution for professionals who need power, flexibility, and mobility in one integrated system.