Pci_E1~4: Pcie Expansion Slots - MSI MEG B550 UNIFY Manual

PCI_E1~4: 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.
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.
The PCI_E4 slot will be unavailable, when installing M.2 SSD into M2_4.
∙
The both PCIe x1 slots will be unavailable after you install the M.2 SSD into M2_2
∙
slot in Chipset support mode (default mode).
∙ Please refer to the following PCIe bandwidth configuration table for PCIe & M.2
slots for details.
PCI_E1: PCIe 4.0/ 3.0 x16 (CPU)*
* PCIe specifications may vary depending on the CPU installed.
PCI_E2: PCIe 3.0 x1 (Chipset)
PCI_E3: PCIe 3.0 x1 (Chipset)
PCI_E4: PCIe 3.0 x16 (Chipset)
Overview of Components
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