15 x USB 3.2 ports for USB 2 and USB 3 devices 1 x USB 3.2 host ports to connect to a computer Input/Output Connectors: 16 x USB Type-A Input Voltage: 12Vdc Input Current: 15A Input Connection: 4-pin DIN Output Voltage: 5.2V Output Current: 2.1A Max per Port Output Power: 10W Max per Port Output Power (Total): 163.8W Maximum Power Supply: Output Voltage: 5.2V Input Voltage: 100-250Vdc Input Current: 2.5A @ 115 Vac Input Frequency: 50-60Hz Input Connector: C14 Output Voltage: 12Vdc Output Current: 15A Output Power: 180W Output Connector: 4-pin DIN Ambient Operating Temperature Range: 0 ~ 35°C Relative humidity: 5% to 95% non-condensing Scalability:https://downloads.cambrionix.com/documentation/en/Technical-note-endpoint.pdf