The Supermicro MicroBlade enclosures provide power, cooling, management and network functions for multiple blade servers. The 6U models can house up to 28 blades; the 3U models can house up to 14 blades. In this manual, “blade” or “blade unit” refers to a single blade server. “Blade system” refers to the enclosure, blades units, and various management and networking modules. "Modules" refer to management, switch, network, or other specialized components.