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2. Power supply unit (computer) - Wikipedia

   en.wikipedia.org/wiki/Power_supply_unit_(computer)

   While an ATX power supply is connected to the mains supply, it always provides a 5-volt standby (5VSB) power so that the standby functions on the computer and certain peripherals are powered. ATX power supplies are turned on and off by a signal from the motherboard .

3. EmPower (aircraft power adapter) - Wikipedia

   en.wikipedia.org/wiki/EmPower_(aircraft_power...

   EmPower is a brand name that refers to three different power outlets available on commercial airlines: 15-volt, 75-watt DC connector (now called EmPower Classic by the vendor) 5-volt, 10-watt USB power-only jacks [1] 110-volt AC power jacks (some also have an EmPower USB jack)

4. USB killer - Wikipedia

   en.wikipedia.org/wiki/USB_Killer

   A USB killer is a device that is designed to be portable and sends high-voltage power surges ... the USB port's 5 volt supply. When they are fully charged, the device ...

5. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   Instead of six fixed profiles, power supplies may support any maximum source output power from 0.5 W to 100 W. The USB Power Delivery specification revision 3.0 defines an optional Programmable Power Supply (PPS) protocol that allows granular control over V BUS output, allowing a voltage range of 3.3 to 21 V in 20 mV steps, and a current ...

6. USB - Wikipedia

   en.wikipedia.org/wiki/USB

   On a notebook eSATAp usually supplies only 5 V to power a 2.5-inch HDD/SSD; on a desktop workstation it can additionally supply 12 V to power larger devices including 3.5-inch HDD/SSD and 5.25-inch optical drives. eSATAp support can be added to a desktop machine in the form of a bracket connecting the motherboard SATA, power, and USB resources.

7. PoweredUSB - Wikipedia

   en.wikipedia.org/wiki/PoweredUSB

   12 V and 24 V powered USB sockets, on an NCR cash register. PoweredUSB, also known as Retail USB, USB PlusPower, USB +Power, and USB Power Plus, [1] is an addition to the Universal Serial Bus standard that allows for higher-power devices to obtain power through their USB host instead of requiring an independent power supply or external AC adapter.