with 1 SATADOM, you need to use JSD1 on the board and the SATADOM needs to have a power cable on it. If you want to use 2 SATADOMs, the second SATADOM needs to be connected to the power supply’s 5V cable with CBL-CDAT-0597. There is no built-in power into the SATA connector on X9 boards.