Expansion slots, Pci_e1~e7: pcie expansion slot, Pcie x16 slots bandwidth table – MSI Z87-G55 User Manual
Page 32: Expansion slots -18, Chapter 1, Important
Chapter 1
1-18
Getting Started
Expansion Slots
This motherboard contains numerous slots for expansion cards, such as discrete
graphics or audio cards.
PCI_E1~E7: PCIe Expansion Slot
The PCIe slot supports the PCIe interface expansion card.
PCIe 2.0 x1 Slot
PCIe 3.0 x16 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
PCI_E2
x16
x8
x8
PCI_E5
x8
x4
PCI_E7
x4
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.
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