The IBM BladeCenter® LS21 is a server for general-purpose applications. It comes a the low-mid range of the IBM BladeCenter servers portfolio. Its selling point is efficiency: reduced power consumption and enhanced energy efficiency without much compromise performance, it offers 20% lower consumption and occupies 25% less space than comparable servers. Its suited for jobs like collaboration or Web serving especially when combined with the energy-efficient BladeCenter E chassis (a chassis is a server rack that supplies multiple server blades with power, cooling and network bandwith, and together with the blades in it determines how much or little space, energy and cooling requirements a server solution requires).
