MSI X570-A PRO [27/160] Pci_e1 5 pcie expansion slots

MSI X570-A PRO [27/160] Pci_e1 5 pcie expansion slots
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Overview of Components
PCI_E1~5: PCIe Expansion Slots
Important
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.
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.
PCIe bandwidth table
Slot Single 2-Way
PCI_E1 (CPU)
@4.0 x16*
or @3.0 x16**
or @3.0 x8***
@4.0 x16*
or @3.0 x16**
or @3.0 x8***
PCI_E2 (PCH) 3.0 x1 3.0 x1
PCI_E3 (PCH)
4.0 x4*
or 3.0 x4**
/
***
@4.0 x4*
or @3.0 x4**
/
***
PCI_E4 (PCH) 3.0 x1 3.0 x1
PCI_E5 (PCH) 3.0 x1 3.0 x1
(─: unavailable, @: graphics card, *: for 3rd Gen AMD Ryzen™, **: for 2nd Gen AMD
Ryzen™, ***: for Ryzen™ with Radeon™ Vega Graphics and 2nd Gen AMD Ryzen™ with
Radeon™ Graphics)
Slots 3rd Gen AMD Ryzen™ 2nd Gen AMD Ryzen™
Ryzen™ with Radeon™
Vega Graphics and 2nd
Gen AMD Ryzen™ with
Radeon™ Graphics
PCI_E1 PCIe 4.0 x16 PCIe 3.0 x16 PCIe 3.0 x8
PCI_E2 PCIe 3.0 x1 PCIe 3.0 x1 PCIe 3.0 x1
PCI_E3 PCIe 4.0 x4 PCIe 3.0 x4 PCIe 3.0 x4
PCI_E4 PCIe 3.0 x1 PCIe 3.0 x1 PCIe 3.0 x1
PCI_E5 PCIe 3.0 x1 PCIe 3.0 x1 PCIe 3.0 x1

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