Meeting today's cost challenges while planning for tomorrow's growth can be difficult. With the IBM BladeCenter LS42 blade server and IBM's 2+2 pricing program, get an affordable, scalable 2-processor blade server that you can easily upgrade to four processors as business grows without paying a premium - simple blade expansion with investment protection.Supporting high memory capacity 16 DIMM slots and memory speeds up to 800 MHz, the LS42 can help drive your most demanding memory-intensive workloads such as virtualization, databases and high performance computing (HPC) applications.The LS42 blade server offers an energy-efficient design along with low-voltage processors, integrated memory controller and available solid-state drives to help keep power consumption down and reduce cooling demands in your data center.The unique 2+2 pricing program available on the LS42 lets you start with a 30 mm, 2-processor blade server. When workloads demand more performance, this blade server is ready to scale to four processors with the addition of a multi-processor expansion unit (MPE). Simply snap the MPE to the original blade and it becomes a 4-processor, 60 mm blade server with the additional performance you need. Best of all, this expansion capability won't break the bank.