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5. SPECIFICATION
(9) Maximum current specifications (USB port, Extension board, DisplayPort)
The following table shows the maximum total current consumption for the USB ports,
extension slots (PCI Express / PCI) and DisplayPort.
The following table shows the maximum current consumption for each of the USB ports,
extension slots (PCI Express / PCI) and DisplayPort. Make sure that the inrush current
when a device is connected does not exceed the specified maximum current. If the inrush
current exceeds the specified maximum current, the surge protection circuit may be
activated and the connected device may not be recognized.
USB3.0/2.0/1.1 port
PCI Express x16 slot
(Connector shape is x16)
PCI Express x4 slot
(Connector shape is x8)
PCI Express x4 slot
(Connector shape is x4)
PCI Express x1 slot
(Connector shape is x4)
Table 5-9 Maximum current specifications
DC Output
3.3V
5V
12V
－12V
Table 5-10 Maximum current specifications by function
Item
USB2.0/1.1 port
PCI slot
DisplayPort
Maximum total current consumption for
USB port 8 ports/
Extension board 7 slots/
DisplayPort 1 port
8.0A
8.0A
8.0A
0.2A
Voltage
5V
5V
3.3V
12V
3.3V
12V
3.3V
12V
3.3V
12V
3.3V
5V
12V
-12V
3.3V
5-6
Maximum current
0.5A/port
0.9A/port
3.0A/slot
5.5A/slot
3.0A/slot
2.1A/slot
3.0A/slot
2.1A/slot
3.0A/slot
2.1A/slot
6.0A/slot
5.0A/slot
0.5A/slot
0.1A/slot
0.5A/port
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