External Power Supply | 65W | 2 Wire & 3 Wire Terminal BlockThis 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 Hubs10-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 Managed USB Hub with 7x USB-A. Heavy Duty with Metal Industrial Housing. ESD & Surge Protection (5G7AINDRM-USB-A-HUB)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 USB C Hub 10Gbps - 2x USB-C & 2x USB-A - ESD Surge Protection (HB31C2A2CME)4-Port Managed USB Hub with 4x USB-A. Heavy Duty w/ Metal Industrial Housing. ESD & Surge Protection (5G4AINDRM-USB-A-HUB)4-Port Industrial USB 3.0 5Gbps Hub - Rugged USB Hub w/ ESD and Surge Protection (5G4AINDNP-USB-A-HUB)4-Port Industrial USB 3.0 Hub with ESD Protection (ST4300USBM)Compatible USB 2.0 Hubs:10-Port Industrial USB 2.0 Hub. Rugged USB Hub w/ESD Level 4 Protection (USB210AIND-USB-A-HUB)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.