MSI Z370 PC PRO User Manual - Page 27

PCI_E1~5, PCI1: PCIe/ PCI Expansion Slots, Multiple graphics cards installation recommendation

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PCI_E1~5, PCI1: PCIe/ PCI Expansion Slots PCI_E1: PCIe 3.0 x16 (CPU lanes) PCI_E2: PCIe 3.0 x1 (PCH lanes) PCI_E3: PCIe 3.0 x1 (PCH lanes) PCI_E4: PCIe 3.0 x4 (PCH lanes) PCI_E5: PCIe 3.0 x1 (PCH lanes) PCI1: PCI slot Multiple graphics cards installation recommendation x16 x16 x4 Important y The PCI_E4 slot will be unavailable when an M.2 PCIe SSD module has been installed in the M.2_2 slot. y The PCI_E2/ PCI1 slot will be unavailable when an expansion card has been installed in the PCI_E3/ PCI_E5 slot. y If you install a large and heavy graphics card, you need to use a tool such as MSI Gaming Series Graphics Card Bolster to support its weight to prevent deformation of the slot. y For a single PCIe x16 expansion card installation with optimum performance, using the PCI_E1 slot is recommended. y 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. Overview of Components 27

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27
Overview of Components
PCI_E1~5, PCI1: PCIe/ PCI Expansion Slots
PCI_E1
: PCIe 3.0 x16 (CPU lanes)
PCI_E2
: PCIe 3.0 x1 (PCH lanes)
PCI_E3
: PCIe 3.0 x1 (PCH lanes)
PCI_E4
: PCIe 3.0 x4 (PCH lanes)
PCI_E5
: PCIe 3.0 x1 (PCH lanes)
PCI1
: PCI slot
x16
x16
x4
Multiple graphics cards installation recommendation
Important
y
The PCI_E4 slot will be unavailable when an M.2 PCIe SSD module has been installed
in the M.2_2 slot.
y
The PCI_E2/ PCI1 slot will be unavailable when an expansion card has been installed
in the PCI_E3/ PCI_E5 slot.
y
If you install a large and heavy graphics card, you need to use a tool such as MSI
Gaming Series Graphics Card Bolster to support its weight to prevent deformation of
the slot.
y
For a single PCIe x16 expansion card installation with optimum performance, using
the PCI_E1 slot is recommended.
y
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.