The IBM pSeries 640 Model B80 is a great entry-level cost and space-effective solution, by providing a high-performance UNIX server in a compact rack-mountable drawer. Offering anywhere from 1- to 4-way processing power and 64-bit system architecture, and 375MHz or 450MHz processors is designed for reliability and availability. This rugged rack-mountable server is NEBS (Network Equipment Building System) Level 3 compliant, which means it is perfect for the plant floor and is resistant to a number of contaminants.