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PCI and PCI Express Slot Power Specifications
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PCI and PCI Express Slot Power Specifications
The following table describes the slots, card types, and maximum slot power.
NOTE: If a graphics card requiring more than 75W is installed, HP recommends not using the slot
immediately below the graphics card (for example, if PCI Express in slot 1, do not use slot 2). In addition
to these slot power specifications, the overall power consumption of the system (including I/O cards,
processors, memory, drives) must not exceed 700W.
For hardware specifications of other system components, such as graphics cards or optical drives, refer to
the Web site of the specific manufacturer.
Table 1-10 PCI and PCI Express Slot Power Specifications
Slot Slot Type Slot Power (Maximum)
1
PCI Express x16 graphics 150W**
2
PCI 25W*
3
PCI Express x16 graphics 150W**
4
PCI-X 100 25W*
5
PCI-X 100 25W*
6
PCI-X 133 25W*
* In addition to these slot power specifications, the overall power consumption of the system (including I/O cards, processor, and
memory) must not exceed 700W.
** Includes 75W maximum from the system board connector, and 75W maximum from the auxiliary graphics power connector.