The Lenovo ThinkSystem SD530 is an ultradense and economical two-socket server in a 0.5U rack form factor. With four SD530 server nodes installed in the ThinkSystem D2 enclosure, and the ability to cable and manage up to four D2 enclosures as one asset, you have an ideal high-density 2U four-node (2U4N) platform for enterprise and cloud workloads.