Calculated using the formula: 6U = (height of 1U) x 6, where the height of 1U is the standard 44. The 6U rack, the dimensions of which are very compact, is used in small offices, security agencies, laboratories and even in home use. But for network cabinets, we use “U” instead. 45 millimeters, if you prefer metric). This standard was created by the Electronic Industries Alliance, or EIA. Because everyone uses the same measurement, all equipment works together smoothly. A server made by. This SmartRack® 6U rack enclosure is designed for home and office network wiring closets, retail locations, classrooms, back offices and other areas with limited floor space where you need equipment to be secure, organized and out of the way. Standard sizes available for sale: Width: 600, 800 mm for convenient. Most professional server racks follow the EIA-310 standard, which defines: These standards make it possible for any 19-inch compatible device to fit securely within the rack, regardless of brand. Rack Units Explained: The Foundation of Server Rack Sizes The fundamental measurement of rack height is. A 6U rack is a server rack that occupies 6 units (U) of vertical space. Choosing the right size depends on your network requirements.