MSI MAG Z390 TOMAHAWK User Manual - Page 27

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

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PCI_E1~5: PCIe Expansion Slots PCI_E1: PCIe 3.0 x16 (CPU lanes) PCI_E2: PCIe 3.0 x1 (PCH lanes) PCI_E3: PCIe 3.0 x4 (PCH lanes) PCI_E4: PCIe 3.0 x1 (PCH lanes) PCI_E5: PCIe 3.0 x1 (PCH lanes) Multiple graphics cards installation recommendation x16 x16 x4 Important 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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Overview of Components
PCI_E1~5: PCIe Expansion Slots
PCI_E1
: PCIe 3.0 x16 (CPU lanes)
PCI_E2
: PCIe 3.0 x1 (PCH lanes)
PCI_E3
: PCIe 3.0 x4 (PCH lanes)
PCI_E4
: PCIe 3.0 x1 (PCH lanes)
PCI_E5
: PCIe 3.0 x1 (PCH lanes)
x16
x16
x4
Multiple graphics cards installation recommendation
Important
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.