Blade server-a server architecture that houses multiple server modules ("blades") in a single chassis. It is widely used in datacenters to save space and improve system management.
Either self standing or rack mounted, the chassis provides the power supply, and each blade has its own CPU, RAM and storage.
Redundant power supplies may be an option. Blade servers generally provide their own management systems and may include a network or storage switch.
Contrast with blade PC.