Pci_e1~6: pcie expansion slots – MSI B550 GAMING GEN3 AM4 ATX Motherboard User Manual

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PCI_E1~6: PCIe Expansion Slots

PCI_E1

: PCIe 3.0 x16 (From CPU)

PCI_E4

: PCIe 3.0 x4 (From B550 chipset)

PCI_E2

: PCIe 2.0 x1 (From B550 chipset)

PCI_E5

: PCIe 2.0 x1 (From B550 chipset)

PCI_E3

: PCIe 2.0 x1 (From B550 chipset)

PCI_E6

: PCIe 2.0 x1 (From B550 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_E4 will run 2.0 x1 speed when any one of PCI_E2, PCI_E3, and PCI_E5 slots was

be installed.

PCIe bandwidth of PCIe

slots

Slot

Single

2-Way

PCI_E1 (CPU)

@ 3.0 x16

PCI_E2 (PCH)

2.0 x1

Empty

—

PCI_E3 (PCH)

2.0 x1

Empty

2.0 x1

Empty

—

PCI_E4 (PCH)

2.0 x1

@3.0 x4

PCI_E5 (PCH)

2.0 x1

Empty

2.0 x1

—

PCI_E6 (PCH)

2.0 x1

2.0x1

(─: unavailable, @: graphics card)