PCI and PCI Express Slot Power Specifications

The following table describes the slots, card types, and maximum slot power.

Product Overview

Table 1-10PCI 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.

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.

PCI and PCI Express Slot Power Specifications 31