Let's look at the most basic and easiest way to bring mini PCs into your server rack and that is with a traditional server rack tray. Server rack trays are just simple shelves that bolt in with rack screws and provide a place to sit equipment that isn't really rack mountable. Choose size based on equipment type, cooling, space, and future growth. Most IT environments default to 42U, 19-inch width, and 1000–1200 mm depth unless space constraints or special equipment dictate. What is a Server Rack? The Ultimate Guide to Sizes (U) & Types (2026) What Is A Server Rack? The Ultimate Guide To Sizes, Types, & Setup (2026) If you deploy a server room, enterprise data center, or small office network, all physical infrastructure builds rely on one core foundation: the server. A server rack is a metal frame that holds and organizes your IT equipment—like servers, switches, and power supplies—all in one place. This is what I am. Standard 1U Height: Get more space with our 1U server rack shelf—it comes in a set of 2! Perfect for 19-inch 4-post server racks, it's ideal for stacking routers, switches, firewalls, and other network gear. Easy storage and a neat setup in one simple solution! Heavy-Duty Construction: Crafted from.