Power Considerations for Peripheral Devices

The following table specifies the I/O port or connectors, their related power bus, and the power consumed by the port, depending on BIOS or Diagnostics Utility configurations. Use the table when considering peripherals.

Table 5-2 Port Power Specifications

Port or Connector Available Power Capability

USB 2.0

+5V @ 0.5A (2.5W)

High Speed USB

+5V @ 0.9A (4.5W)

RJ-45 Powered Serial

Can be configured as:
  • +5V @ 1.0A (5W)

  • +9V @ 1.0A (9W)

  • +12V @ 1.0A (12W)

Ultra High Speed USB

+5V @ 0.5A (2.5W)