MSI Z87-XPOWER manual PCIE1~7 PCIe Expansion Slots, PCIe x16 Slots Bandwidth Table

Expansion Slots

This motherboard contains numerous slots for expansion cards, such as discrete graphics or audio cards.

PCI_E1~7: PCIe Expansion Slots

The PCIe slot supports the PCIe interface expansion card.

PCIe 3.0 x16 Slot

Chapter 1

PCIe 2.0 x1 Slot

PCIe x16 Slots Bandwidth Table

The table below shows the correlation between the PCIe slots bandwidth and multiple graphics cards.

Slot		Bandwidth
	Single	2-Way	3-Way	4-Way*
PCI_E1		x16	x8	x8
PCI_E2	x16
PCI_E3			x8	x8
PCI_E5		x16	x16	x8
PCI_E7				x8

* Supports up to 4 PCIe x16 expansion cards installation.

Important

•For a single PCIe x16 expansion card installation with optimum performance, using the PCI_E2 slot is recommended.

•When adding or removing expansion cards, always turn off the power supply and unplug the power supply power cable from the power outlet. Read the expansion card’s documentation to check for any necessary additional hardware or software changes.

1-19 Getting Started