With constantly changing data center space and resource requirements, information technology (IT) managers need greater flexibility in deploying their resources. Designed with a building block approach that maximizes resource allocation opportunities, the Sun Rack 900 provides a wide variety of options. Offering greater space utilization, flexibility, and manageability, the Sun Rack 900 can be incorporated into a full spectrum of environments - from the largest data centers to small deployment situations.This Sun Rack 900 is configured without power distribution units.