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)