Standard-depth 3U servers offer the highest I/O expansion and integrated storage capabilities available in the Rackable server line. The powerful XE500 server is an ideal cluster head node or stand-alone departmental server with redundant power supplies and seven PCI-E 2.0 expansion slots. The C3118 InfiniteStorage server meets the requirements for bulk storage requirements with 18 hot-swap drive bays delivering up to 36TB of local storage. Flexible, robust configurations feature high efficiency power supplies, memory and processors to help reduce data center power and consumption and heat output.