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This universal DC power adapter has been designed as an alternative, back up or replacement power supply for StarTech.com's line of industrial USB hubs. Compatible USB 3.0 Hubs: 10-Port Industrial USB 3.0 Hub with External Power Adapter - ESD & 350W Surge Protection (HB30A10AME); 10-Port Industrial USB 3.0 Hub with ESD & 350W Surge Protection (ST1030USBM); 7-Port Industrial USB 3.0 Hub with External Power Adapter - ESD & 350W Surge Protection (HB30A7AME); 7-Port Industrial USB 3.0 Hub with ESD & 350W Surge Protection (ST7300USBME); 4-Port Industrial USB 3.0 Hub with ESD Protection (ST4300USBMST4300USBM). Compatible USB 2.0 Hubs: 7-Port Industrial USB 2.0 Hub ESD Protection & 350W Surge Protection (HB20A7AME); 7-Port Industrial USB 2.0 Hub with ESD & 350W Surge Protection (ST7200USBM); 4-Port Industrial USB 2.0 Hub with ESD Protection & 350W Surge Protection (HB20A4AME); 4-Port Industrial USB 2.0 Hub with ESD Protection (ST4200USBM). The external terminal power adapter can also be used with any other devices that can support 20V power supply including a variety of StarTech.com Ethernet Switches and Serial Adapters.