Hitachi HF-W2000 58 Instruction Manual page 123

5. SPECIFICATIONS
(9) Maximum current specifications (USB ports, extension boards, DisplayPort)
The following table shows the maximum total current consumption for the USB ports, expansion slots (PCI
Express/PCI) and DisplayPort.
DC Output
3.3 V
5 V
12 V
-12 V
The following table shows the maximum current consumption for each of the USB ports, expansion 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 might activate, and the connected device might not be recognized.
Maximum total current consumption for USB port × 8 ports/
Item
USB 2.0 port
USB 3.0 port
PCI Express x16 slot
PCI Express x4 slot
PCI slot
Analog RGB
DVI-D
DisplayPort
Extension board × 3 slots/
DisplayPort × 1 port
3.5 A
7.5 A
2.1 A
0 A（No Power Supply）
Voltage Maximum current
5 V
5 V
3.3 V
12 V
3.3 V
12 V
3.3 V
5 V
12 V
-12 V 0A（No Power Supply）
5 V
5 V
3.3 V
5-6
0.5 A/port
0.9 A/port
3.0 A/slot
2.1 A/slot
3.0 A/slot
2.1 A/slot
6.0 A/slot
5.0 A/slot
0.5 A/slot
1.0 A/port
0.5 A/port
0.5 A/port