A combo port that connects to external SATA (eSATA) drives and USB devices with cables up to two meters long. The eSATA USB Hybrid Port (EUHP) also eliminates the external power cable by supplying 5 or 12 volts to eSATAp (eSATA powered) drives (see below). See SATA and USB.
Both of these ports connect to regular external eSATA drives. However, the Hybrid Port also supplies power to eSATAp drives as well as connects USB devices. If the port is blue, it supports USB 3.0, otherwise only USB 2.0.
Either 5 or 12 Volts of Power
On laptops, an 11-pin EUHP provides 5 volts of USB power to external 2.5" drives, but desktop computers with 13-pin ports deliver 12 volts to 3.5" drives (pins 12 and 13 are 12v).