Fujitsu Siemens Computers has launched its Primergy RX600 S4 rack server, which uses Intel's new six-core Xeon MP 7400 processor, codenamed Dunnington. Available immediately in the Middle East, it is aimed at larger enterprises that need high performance that can also be easily upgraded. It comes with a big memory capacity of up to 256GB of RAM, available in a single chassis because of 8GB memory modules to be introduced in the final quarter of 2008.