MSI MAG Z790 TOMAHAWK MAX WIFI User Manual 1 - Page 29

PCI_E1~3: PCIe Expansion Slots, Important

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PCI_E1~3: PCIe Expansion Slots PCI_E1: PCIe 5.0 x16 (From CPU) BAT1 PCI_E2: PCIe 3.0 x1 (From Z790 chipset) PCI_E3: PCIe 4.0 x4 (From Z790 chipset) ⚠ Important ∙ If you install a large and heavy graphics card, you need to use a tool such as MSI Graphics Card Bolster to support its weight to prevent deformation of the slot. ∙ For a single PCIe x16 expansion card installation with optimum performance, using the PCI_E1 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. ∙ PCI_E1 slot will run at PCIe 5.0 x8 mode when installing M.2 PCIe SSD in the M2_1 slot. 29

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PCI_E1~3: PCIe Expansion Slots
PCI_E1
: PCIe 5.0 x16 (From CPU)
PCI_E2
: PCIe 3.0 x1 (From Z790 chipset)
PCI_E3
: PCIe 4.0 x4 (From Z790 chipset)
⚠
Important
∙
If you install a large and heavy graphics card, you need to use a tool such as
MSI
Graphics Card Bolster
to support its weight to prevent deformation of the slot.
∙
For a single PCIe x16 expansion card installation with optimum performance, using
the
PCI_E1
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.
∙
PCI_E1 slot will run at PCIe 5.0 x8 mode when installing M.2 PCIe SSD in the M2_1
slot.