The trend now is to optimize the space while obtaining more processing and even storage on the same equipment. For that reason we have "commodity" equipment (economic and easy to obtain) of last generation under X64 architecture, with which you can deploy Virtualization, Hyperconvergence and Cloud Computing solutions.
Servers of one, two and even four nodes, based on the Intel Washtinong Pass (WPF) family © Server Board S2600WP Family.