Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Mellanox Connectx Vpi Infiniband Host Bus Adapter - Pci Express 3.0 X8 - 56 Gbit/s - 2 X Total Infiniband Port(s) - Qsfp - Plug-in Card