The PINE64 clusterboard can host up to 7 SOPINE A64 compute modules, expanding its functionality as a fully featured cluster server. The clusterboard has and inbuilt 8 Gigabit Ethernet port unmanaged switch. NOTE: Clusterboard is a development board that requires experience with operating headless Linux systems Please use either a +5V 15A power supply with 6.3mm OD/3.0mm ID barrel type DC Jack or a ATX power supply (please note that some ATX power supplies may required load to power up the board) https://www.pine64.org/?product=clusterboard-eu-power-supply https://www.pine64.org/?product=clusterboard-us-power-supply